RRB ALP Mechanic Diesel 21 Jan 2019 Official Paper (Shift 2) (Previous Year Paper)

Find mass (in gm) of a gold coin of radius 2 cm and thickness 0.05 cm. (Density of gold 19.3 gm/cm³)

______ affects the atoms in living cells and thereby damages their genetic material (DNA).

What is the binary equivalent of decimal 413?

______ was discovered by the Scottish physician Daniel Rutherford in 1772.

Find the work done (in joules) in moving a charge of 1.6 coulombs across a potential difference of 0.8 V.

Who founded Project Nanhi Kali in 1996?

Hawa Mahal is a palace in ______.

The difference between the two binary numbers 10010000 and 1111001 is:

A/An ______ is a pointing and drawing device shaped like a pen. It is used on a touch screen.

Name the author of ‘The Incredible Adventure of Professor Shonku’.

A body of mass 60 kg weighs 222 N on Mars. What is the acceleration due to gravity (in m/s²) on Mars?

In the finals of Indian Premier League (IPL) in 2018, Chennai Super Kings played against ______.

A drum of mass ‘m’ kg was rolled down a ramp. At the bottom of the ramp its kinetic energy was 10 kJ and velocity was 20 m/s. With what velocity (in m/s) was it pushed down the ramp if its initial kinetic energy was 625 J?

A common drug in a first aid box is Ibuprofen. When should Ibuprofen be taken?

Classical musician TR Mahalingam is associated with which musical instrument?

A car of 500 kg mass has a kinetic energy of 64 kJ. Find its speed (in m/s).

The electric ______ between two points in an electric circuit carrying some current is the work done to move a unit charge from one point to the other.

Coffee, spinach, onion and tea in our diet mostly provide us with which of the following elements as food?

Which organisation comprises of two institutions: The International Bank for Reconstruction and Development (IBRD) and The International Development Association (IDA)?

Find the current (in mA) flowing through a wire of resistance 25 kΩ when a potential difference of 12.5 V is applied across it.

_______ is the fibre remaining after the extraction of the sugar-bearing juice from sugarcane.

The apparent mass of a piece of metal when fully immersed in water is 60 gm. If the relative density of this metal piece is 2.5, find its actual mass (in gm)?

Which of the following folk dances is from Punjab?

The circumference of a planet is 36,000 km. If the planet makes no other movement and takes 20 hours for one complete rotation, what is the speed of a point on its equator?

200° Celsius = ______ Fahrenheit

A/An ______ is a special high-speed storage mechanism.

Which singer entered the Guinness World Records for the most single studio recordings?

If a box of mass 25 kg is pushed 15 m by a force of ‘F’ N and work done in the process is 480 J. Find F:

Which of the following gases is NOT a major greenhouse gas that causes climate change?

Which of the following is the correct relation between potential difference ‘V’ across a metal wire of resistivity ‘ρ’, length ‘L’, and area of cross-section ‘A’ through which a charge ‘Q’ flows in ‘t’ seconds?

Which of the following substances has the highest density?

Two resistors of R Ω and 20 Ω are connected in parallel to get an effective resistance of 15 Ω. Find R.

The efficiency of a pump is 50%. It lifts 2 tonnes of water by 60 m in 20 minutes. Find the input power (in kW) of the pump.

The ideals of Liberty, Equality and Fraternity enshrined in the Constitution of India are borrowed from the constitution of ______.

Select the option that is related to the third word on the same basis as the second word is related to the first word.

Lawyer : Judge ∷ Teacher : ?

The weights of 3 boxes are 4, 5 & 11 kilograms. Which of the following CANNOT be the total weight, in kilograms, of any combination of these boxes?

Select the option that is related to the third word on the same basis as the second word is related to the first word.

Sugarcane : Jaggery ∷ Coconut : ?

E said to F, “You are my son’s wife’s father-in-law.” How is F related to E?

In the following figure, the triangle represents boxers, the square represents priests, the circle represents British and the rectangle represents men. Which set of letters represents men who are either boxers or priests?

Here are some words from an artificial language.

Nor usi means bat wing

Od usi means bat man

Od zul means super man

Which set of letters would indicate ‘superrich’ in that artificial language?

The given Venn diagram shows the number of students in a class who play a particular sport. How many students play Hockey as well as Football?

In a certain code language, STOLE is coded as 39468 and RICH is coded as 5271. Using the same code language, word THIS will be coded as:

What is the angle between the hour hand and the minute hand at quarter to five?

Consider that 5 # 11 = 4; 13 # 7 = 5; 10 # 22 = 8. Then what is the value of 10 # 2 = ?

A statement is given, followed by two conclusions. Decide which of the given conclusions can definitely be drawn from the given statement.

Statement: Quality food is expensive. The restaurant owners are renovating the restaurant as the furniture had become old.

Conclusion:

I. The quality of the restaurant’s food will improve.

II. All restaurants have to be renovated when their furniture becomes old.

In the question, two statements are given, followed by three conclusions I, II and III. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow(s) from the given statements.

Statement:

1. Some huts are cabins.
2. No cabins are cottages.

Conclusion:

I. Some cabins are huts.

II. Some cottages are huts.

III. All huts are cottages.

Rearrange the parts of the sentence in the order to form a meaningful English sentence.

Till a few years back, I used

X-used to intermingle with literature and humanism

Y-to admire at the great and insightful language used in

Z-some of the judgements of the higher judiciary, where law

Choose the word that is different from the rest.

In the question, two statements are given, followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance with commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:

1. All boots are sneakers.
2. All sneakers are shoes.

Conclusion:

I. Some shoes are boots.

II. Some sneakers are boots.

A seller starts on her daily routine. She walks 7 km north, then turns west and walks 6 km, then turns south and walks 2 km, then turns west and walks 3 km, then turns to her left and walks 5 km. Where is she now with reference to her starting position?

The sentences given in the question, which properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter. Choose the most logical order of sentences from among the given choices to construct a coherent paragraph.

Patty the milkmaid had just finished milking her cow and had two full pails of fresh creamy milk.

A-‘Once I get the money, I'll buy a chicken’, she thought.

B-She put both pails on a stick and set off to the market to sell her pails of milk.

C-This chicken will lay tens of eggs.

D-Along the way she started to think of all the milk in her pails and all the money she would get for them.

If A $ B means A is the sister of B, A # B means A is the mother of B and if A × B means A is the father of B, then what does P × Q $ R # S mean?

In a certain code language, ‘+’ represents ‘×’, ‘÷’ represents ‘+’, ‘-’ represents ‘÷’ and ‘×’ represents ‘-’. Find out the answer to the following question considering that language as base.

9 × 3 ÷ 4 + 10 - 8 = ?

In the following question, which set of letters will logically complete the below letter series when the letters in the set are placed in the gap sequentially from left to right.

c_ax_za_cz_xc_a

5 years ago, father’s age was 8 times Rohan’s age. 5 years hence, the ratio of father’s age to Rohan’s age will be 10 : 3. What is Rohan’s present age?

One statement is given followed by two assumptions, I & II. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given assumptions is/are implicit in the given statement.

Statement: Teachers should never scold students who make repeated mistakes.

Assumptions:

I. Students do not make repeated mistakes intentionally.

II. Negative reinforcements are NOT a good method to improve student performance.

Find the missing number in the given series.

-3.4, -2.7, -2, -1.3, -0.6, ?

Choose the set of letters that is different from the rest.

Choose the figure that is different from the rest.

Pipe A can fill a tank in X hours. Pipe B can empty it in 15 hours. If both the pipes are opened together, then the tank will be filled in 7 hours and 30 minutes. Find X.

The mean of the numbers 1, 4, 9, X, 12, 14, 15 and 16 is 10. Find the mode.

What is the area (in cm²) of a rhombus if the lengths of its diagonals are 18 cm and 14 cm?

What is the difference between the compound interests on a sum Rs. 10,000 for 1 year at 10% per annum, when compounded yearly and half-yearly?

Two trains start at the same time. Train A travelling at an average speed of 54 km goes from city M to city N, while Train B goes from city N to city M. The distance between the two cities is 960 km. Find the average speed (in km/hr) of train B, if both trains cross each other after 8 hours?

Working together, if A, B and C can finish a task in 4 days. However, after starting the task, B quits and A and C finish the remaining task in 6 days. How many days would B take to finish if he had to perform the task alone?

A can finish 25% of a task in 3 days and B can finish half of the task in 18 days. If they work on it together, in how many days can they finish the task?

The line graphs show the profit (in lakh rupees), for 6 years, of two companies A and B. The ratio of the cumulative profits for these 6 years of Company B to Company A is:

Find the slope of the line given by the equation 4x + 6y = 9.

If 25% of a = b, then b% of 160 is same as:

Find the least common multiple of 48 and 54.

If a + b = 9 and a² + b² = 53, then find the value of ab.

(0.1 × 0.1 × 0.1 + 0.04 × 0.04 × 0.04) ÷ (0.2 × 0.2 × 0.2 + 0.08 × 0.08 × 0.08) = ______.

Due to engine trouble, an Express train goes at 9/10^th of its usual speed and arrives at 2 : 34 pm instead of 2 : 28 pm. At what time did it start?

The bar graph shows the marks scored by Annu and Bunty in their exam, which had 6 papers of 100 marks each. If Bunty had scored 25% less in Paper C and 10 marks more in paper A, then he would have scored how much more than Annu in the exam?

A trader buys 200 kg of grain for Rs. 8,000. 4% of this grain is lost in transportation. At what rate should he sell the rest to earn 20% profit?

A retailer sells an item for Rs. 486 and he makes 8% profit. If he were to sell that item for Rs. 414, then he would make:

If the curved surface area of a cone of radius 14 cm is 2200 cm², find its height (in cm).

12 – 20% of (42 × 5 ÷ 15 – 18 × 10 ÷ 15 + 8) = ______

The ratio of the present salaries of Vinod and Manoj is 6 : 7. If both of them get their salaries increased by Rs. 16,000, then the ratio becomes 8 : 9. What is the present salary of Manoj?

√0.015625 × √0.0256 = ?

If \(\frac{{5x}}{2} - \frac{5}{3}\left( {\frac{3}{2} + \frac{{4x}}{3}} \right) = \frac{5}{6}\)then the value of x is:

A pilgrim travelled a distance of 50 km in 7.5 hours. He travelled partly on foot at 4 km/hr and partly on a bullock cart at 12 km/hr. The distance travelled on foot is ______ km.

A man willed 2/7^th of his wealth to his wife. 1/3^rd of the remaining wealth to his son, and the rest was divided equally between the three daughters. If each daughter gets 2/3^rd of the son’s share and each of the three daughters gets Rs. 2,00,000, then what was the man’s wealth?

Specific heat capacity of lead is 125 Jkg^-1K^-1. If the temperature of a block of 250 g of lead rises by 10°C on absorbing 5 kJ of heat, then find its heat capacity.

A/an ______ circle is a circular centre line on a drawing containing the centres of holes about a common centre.

The ratio of the shorter side of an A4 sheet to the longer side of an A3 sheet is ______.

Which of the following is an example of a third-class lever?

If 2.5 l of hot water at 85°C is mixed with 4.5 l of cold water then the temperature of the cold water rises by 15°C when equilibrium is reached. Find the initial temperature (in °C) of the cold water assuming no heat is lost.

A/an ______ is an inclined edge that is NOT at right angle to the joining surface.

By how many degrees celsius should an 800 g calorimeter made of aluminium be heated so that it absorbs 43.2 kJ of heat? Specific heat capacity of aluminium is 0.9 Jg^-1K^-1.

_______ is the distance from the pitch circle to the bottom of the tooth space in a gear.

Find the velocity ratio of a pulley system if it has an efficiency of 50%. It lifts a load of 250 N on applying an effort of 100 N.

The notation ϕ7 means ______.

The specific latent heat of fusion of lead is 23 Jg^-1. Find the mass of a piece of lead if it releases 2116 J of heat when it freezes at its freezing point of 327°C.

Find the volume (in cm³) of a piece of metal of density 5000 kg/m³ and which weighs 10.8 N. (Use g = 10m/s²)

A uniform meter scale weighs 75 g. It is pivoted at the 50 cm mark. A 40 g mass is placed at the 20 cm mark and a 50 g mass is placed at the 90 cm mark. Where should a 20 g mass be placed so that the scale is in equilibrium?

cot 30° - \(1\over2\) × cosec 60° =

In a certain gear train, the driver has ______ teeth while the follower has 10 teeth. For every 16 turns of the driver, the follower turns 40 times.

Watt/steradian is the unit of ______.

Siemens is the unit of ______.

The crankshaft end play is measured by using:

In a four stroke engine, each cylinder has:

The substance which is used for lubrication is called:

Identify the type of Die in the above Fig.

What is the liner called, if the coolant is directly in contact with the cylinder liner?

What is the function of an engine?

Expand EDC.

Identify the name of the device from the above figure

The main function of catalytic converter is:

Exhaust valve is made up of which of the following?

Find the name of the tool in the above Figure

The space (volume) between the cylinder head and the piston head, when the piston is at TDC is called:

In the diesel engine, intake manifolds are connected to:

What is the function of a sensor in electronic diesel control system engine?

Drill chucks are held on the machine spindle by means of which of the following?

Which of the following is an example of Multi-viscosity oil?

A 12 Volts Lead-Acid battery consists of:

A Bent snip is used for:

In the actual valve timing diagram, the 'Inlet valve' closes at:

“V” is a type of which of the following permanent joint?

Which of the following is an example of an electrical conductor?

Ammeter is used to measure which of the following?

Which of the following fuel is used in distributor-type fuel injection pumps?

Which of the following is not a type of muffler?

A semiconductor device that allows current flow in one direction but resists it in another direction is called:

What is the purpose of the oxygen sensor?

For cutting solid brass, the most suitable pitch of a hacksaw blade is:

Internal V threads are checked by:

The exhaust pipe is made of:

Which diode is used for voltage regulation?

What is the cause for engine oil getting mixed with the coolant?

Hydraulically Actuated Electronically controlled Unit Injector is used in:

Firing order of six cylinder diesel engine: