RRB ALP Electronics Mechanic 23 Jan 2019 Official Paper (Shift 2) (Previous Year Paper)

Binary number 101110110 is equal to decimal number _______.

Who was the captain of the IPL team Chennai Super Kings, in 2018?

The directive principles of state policy in Indian’s constitution are borrowed from the constitution of ____.

Which of the following folk dances is from Himachal Pradesh?

A truck travels 450 km in two and a half hours. Find its speed in m/s.

Find the resistance of the wire (in kΩ) through which a 5 mA current flows when 500 V of potential difference is applied across it.

Acceleration due to gravity is highest at ____.

Which of the following classes of chemicals can damage the ozone layer?

Which Dadasaheb Phalke Award recipient produced and directed India’s first colour film, ‘Sairandhri’?

A/An ______ is an interface on a computer to which you can connect a device.

Which of the following nations is not a permanent member of the United Nations Security Council?

Classical musician Vilayat Khan is associated with which musical instrument?

Moore's Law is a rule of thumb stated by Intel co-founder Gordon Moore that the number of transistors on a chip doubles every _____ months.

Two resistors of R Ω and 15 Ω are connected in parallel to get an effective resistance of 12 Ω. Find R.

The ______ across the ends of a resistor is directly proportional to the current through it, provided its temperature remains the same.

A block of metal of mass 500 g has a relative density of 2.5. What will be its apparent mass when it is fully immersed in water?

If 1200 J of work is done in pushing a trolley by 20 m, what was the force (in N) employed?

A car loses 200 kJ of kinetic energy when its speed decreases from 25 m/s to 15 m/s. Find its mass in tonnes.

Breathing in about 900 parts of _____ in a million parts of air for a short time causes fatigue, dizziness, and headache.

______ are a subset of air pollution that refers to the tiny particles suspended everywhere in our atmosphere.

The sum of binary numbers 1100100 and 101110 is ____.

Which of the following gives the correct relation between power ‘P’, resistance ‘R’ and charge ‘Q’ flowing through a wire in ‘t’ seconds?

The hotel Taj Lake Palace, built in the middle of Lake Pichola, is in which city?

_____ °Celsius = 167 Fahrenheit

If 90 J of work is done in moving a charge of 2,000 coulombs across V volts, find V.

Henry Cavendish discovered ____ in 1766.

Which element is mostly provided by grains, nuts and chocolates in our diet?

Henry per meter is the unit of _____.

A boy of 50 kg is riding a scooter of 100 kg mass at a speed of v m/s. Find v (in m/s) if the kinetic energy of the scooter and the boy is 76.8 kJ.

Which of the following is NOT a derived unit?

_____ is India's sole National Issuing & Guaranteeing Association for ATA Carnets (also known as 'Passport for Goods’).

What is the area (in cm²) of a regular hexagon of side 10 cm?

If sin θ = 12/13, then find the value of 2cot θ + 13cos θ.

If the compound interest received on a certain amount in the first year is Rs. 1,440. What will be the compound interest for the second year on the same principal at a 10% rate of interest?

Two cabs A and B start from C for town D. If the distance between the two towns is 540 km and the slower taxi travelling at an average speed of 90 km/hr takes an hour more than the faster taxi, then find the speed (in km/hr) of the faster taxi.

Amit calculated \(\frac{{2^th}}{5}\) of a  number instead of calculating \(\frac{2}{{15}}th\). His answer was greater than the correct answer by 336. Find the number.

If a vendor sells a coconut at Rs. 32, he incurs a 20% loss. What is the cost price of the coconut?

If 5x/3 – 7/2(2x/5 – 1/3) = 1/3, then the value of x is ____.

Two numbers are 10% and 20% less than a third number. By what percentage should the second number be increased to make it equal to the first number?

Find the least common multiple of 56 and 50.

A train running at a speed of 64 km/h takes 50 min to travel a certain distance. By how much should it increase its speed (in km/h) to travel the same distance in 40 min?

If a² + b² = 53 and ab = 14, then find the value of a + b.

By cycling 7/9 times his usual speed, Anwar reaches his school 4 minutes late. How many minutes does Anwar take to reach school at his usual cycling speed?

From a 50 m long steel bar, a workman has to cut off as many 5.25 m long pieces as possible. What decimal fraction of the whole will be left?

Find the value of: 16 – (25% of (14 × 10 ÷ 35 + 12 × 10 ÷ 15))

The weights of three boxes are 3 kg, 8 kg and 12 kg. Which of the following CANNOT be the total weight, in kg, of any combination of these boxes?

If the median of the numbers 9, 15, 1, 15, 14, 9, 4 and X is 11, find X.

Pipe A can fill a tank in 12 hours. Pipe B can empty it in X hours. If both the pipes are opened together, then the tank will be filled in 30 hours. Find X.

The total surface area of a cuboid is 236 cm². Its length is 8 cm and height is 6 cm. Find its breadth (in cm).

Solve the following. \(\sqrt {0.2025} + \sqrt {0.1225} = ____\)

A alone can paint a wall in 50 days and B alone can do it in 10 days. If A, B and C together can paint the wall in 6.25 days, then in how many days can C alone paint the wall?

Find the third proportional to 24 and 60.

A vendor buys a certain number of bananas at 8 pieces for 5 and sells them at 5 pieces for 8. What will be his percentage profit?

Find the slope of the line joining the points (3, -4) and (5, 2).

What is the angle between the hour hand and the minute hand of a clock at quarter past three?

Choose the letter cluster that is different from the rest?

The given Venn diagram shows the pet(s) that each house in a society has. How many houses have only two pets?

In the following figure, the triangle represents bakers, the square represents teachers, the circle represents Americans and the rectangle represents mothers. Which letter or set of letters represents the mothers who are neither Americans nor bakers?

In an artificial language, ‘terake’ means ‘motherland’, ‘lorake’ means ‘mother tongue’ and ‘loroli’ means ‘long tongue’. Which word would mean ‘long jump’ in that language?

A pilgrim starts from her house to visit various places. She walks 13 km towards the east, then turns towards the north and walks 11 km, then turns towards the west and walks 7 km, then tums towards the south and walks 6 km and finally turns to her right and walks 6 km. Where is she now with respect to her starting position?

Find the missing number in the given series.

-2.7, -2.1, -1.5, -0.9, -0.3, ?

If 14 # 2 = 80, 10 # 4 = 70 and 20 # 6 = 130, then find the value of 8 # 12.

If ‘+’ represents ‘×’, ‘÷’ represents ‘+’, ‘-’ represents ‘÷’ and ‘×’ represents ‘-’, then find the value of the following expression.

8 + 4 ÷ 15 – 3 × 1

Choose the figure that is different from the rest.

The ratio of the present ages of Leela and her mother is 3 : 8. The mother was 25 years old when Leela was born. Find the mother’s present age (in years).

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

Statement:

‘Height should be between 5 feet 6 inches and 6 feet.’ --- One of the conditions for recruiting fighter pilots.

Assumptions:

I. Fighter pilots should be presentable as they are role models for the young.

II. Only certain body types can fit in a fighter plane cockpit.

If A $ B means A is the sister of B, A # B means A is the husband of B and A * B means A is the daughter of B, then what does P $ Q * R # S mean?

Select the set of letters that when sequentially placed in the gaps of the given letter series will complete the series logically.

a___yz___bx___zc___cx___z

In a certain code, EXACT is written as 91685 and MILK is written as 7243. Using the same code, MELT will be written as ____.

C said to D, “You are my sister’s husband’s mother-in-law.”? How is D related to C?

Part of a sentence has been divided into three segments, which are jumbled up and given along with the un-jumbled part. Rearrange the parts of the sentence in correct order.

I’d just remembered that our

X: every once in a while, so our changing

Y: rooms were movable, on wheels

Z: owner liked to change the decor of the boutique

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

Pipe : Cylinder ∷ Moon : ?

The sentences given in this question, when properly sequenced, form a coherent paragraph. Each sentence is labelled with a letter (the first sentence is not labelled and given for your reference). Choose the most logical order of sentences from among the given choices to construct a coherent paragraph.

There were once two brothers who lived on the edge of a forest.

A: One day, the elder brother went into the forest to find some firewood to sell in the market.

B: As he went around chopping the branches of a tree after tree, he came upon a magical tree.

C: The elder brother was very mean to his younger brother and ate up all the food and took all his good clothes.

D: The tree said to him, ‘Oh kind sir, please do NOT cut my branches.’

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

Statements:

All mansions are palaces.

No castles are palaces.

Conclusions:

I: Some palaces are mansions.

II: Some castles are mansions.

IIl: No mansions are castles.

Choose the word that is different from the rest.

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

Statements:

No beakers are vases.

All vases are jugs.

Conclusions:

I: Some jugs are beakers.

II: Some jugs are vases.

A uniform meter scale weighs 50 g. It is pivoted at the 70 cm mark. Where should a 40 g mass be placed so that the scale is in equilibrium?

The specific latent heat of fusion of ethyl alcohol is 100 Jg^-1. Find the heat absorbed (in J) by 2.25 g of ethyl alcohol when it melts at its melting point of -114°C.

Find the heat capacity of a steel vessel of mass 2.5 kg if its temperature rises by 10 degrees. Specific heat capacity of steel is 500 Jkg-1K-1.

A company has six departments. The given bar graph shows the number of employees in each department for the years 2015 and 2018. The company added 80 new employees and fired some employees between the years 2015 and 2018. All the employees who were fired were from department C. If the employees of department C had NOT been fired, then the employee strength of department C in 2018 would have been greater by______.

Paracetamol is found in first-aid boxes. When/why should these drugs be taken?

Which of the following is an example of a second class lever?

Two litres of superheated water at 190°C is mixed with six litres of cold water at 20°C. Find the final equilibrium temperature (in °C) if no heat is lost.

In a certain gear train, the driver has 24 teeth while the follower has 8 teeth. For every _______ turns of the driver, the follower turns 36 times.

A statement is given, followed by two conclusions. Decide which of the given conclusions logically follow(s) from the given statement.

Statement:

Emotional Quotient is a good predictor of success in career.

Conclusions:

I: The top 10 employees in a division will have the top 10 Emotional Quotients.

II: Finding the Emotional Quotient of a candidate will give the hiring company extra useful information.

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

Paper ∶ Glue ∶∶ Brick ∶ ?

Find the mass (in g) of a copper calorimeter if its temperature rises by 45° when it absorbs 3.6 kJ of heat. The specific heat capacity of copper is 0.4 Jg^-1K^-1.

Name the celebrity who has authored 'Mrs. Funnybones'?

In an engineering drawing, which letters written on the dimension indicates that it is extra information and NOT really required?

Find the density (in kg/m³) of a piece of wood of dimensions 6 cm × 8 cm × 5 cm, and weight 1.92 N. (Use g = 10 m/s²)

L is thrice as good a workman as M, and together, they finish a task in 12 days. In how many days will L alone finish the same task?

A ________ diagram is a schematic drawing that shows the relationships in a system, using simple shapes for the entities.

Find the mass (in kg) of kerosene filled up to the brim in a tank of dimensions 5 m × 2 m × 1 m. (Density of kerosene is 800 kg/m³)

The area of A0 size paper is _______.

The notation 2 × Ø6 means______. 

Find the mechanical advantage of a pulley system if it has an efficiency of 60%. The load lifts by 3 m when the rope is pulled by 12 m.

Acceleration due to gravity on Jupiter is two and a half times that on earth. How much would a 250 kg satellite weigh (in N) on Jupiter? (acceleration due to gravity on earth = 10 m/s²)

A _________ projection is an oblique projection in which the depth of the object is shown in full size.

Find the efficiency of a pump (rated 400 W) that can lift 500 kg of water by 30 m in 10 minutes. (Use g = 10m/s²)

The given chart shows the marks scored by a class X student in different subjects.

If the total marks are 1800, then find the difference between the marks scored in science and mathematics.

Which of the following is a part of SMPS component?

Which of the following converts sound signal into electrical signal?

When no ac input signals are connected to CE Transistor Load line can be plotted ______

What is the resultant voltage generated by a 2-Li-Ion cell connected to one lead acid automobile battery in series

Field Effect transistor is:

Which among the following is full form of SMPS

Which among the following instruments can generate sine waves with variable frequency and amplitude?

The SMPS is used to transform power from AC or DC to:

Photo transistor is used for:

Darlington pair is used for:

Scale of PMMC instrument is ______.

What is the peak to peak voltage for an AC voltage with RMS 220 V? (Consider square root of 2 as 1.4)

Fibre optic power meters have input for attaching fiber optic connector and detector:

Which one of the following TV technology displays Image by blocking white light

Schmitt trigger is used in:

UJT is used to generate:

MOSFET has 

What is WAN, with respect to computer network?

What is the voltage generated by an alkaline cell used in wall clock?

Which of the following converts a physical parameter to an electrical signal?

An optical fiber is a cylindrical dielectric waveguide that transmits _____ along its axis.

Which among the following is used as receiver in fiber optic communication?

DA converter is a part of:

Which type of feedback is used in case of an oscillator circuit?

If an amplifier circuit has negative feedback, then gain:

Which of the following is a cell phone component?

Which of the following computer hardware contains a laser?

What are the XTAL 1 and XTAL 2 pins numbers for 8051?

Which of the following software is used for electronic circuit simulation?

After crossing the peak point, UJT resistance becomes ____.

For Clipping of input AC signal a ______ is used.

UJT has:

NPN Transistor proper biasing for conduction is