RRB JE EE 1 Sept 2019 (Shift 1) CBT 2 Official Paper (Previous Year Paper)

A JFET is also called ________ device.

Which of the following scientists rediscovered DDT in 1939?

Which of the following has the smallest storage capacity?

In a permanent magnet moving coil instrument, the deflecting torque is directly proportional to-

Lalit Kala Academy was established by the Government of India to-

If there is no lichens present in the air, then it indicates

Electricity produced from _______ is called piezoelectricity.

During raceway wiring, which colour wire is always used for neutral connections?

An ON-OFF switch with overload protection is called a _______.

The armature current of a synchronous motor has large value for-

________ system is universally adopted for a generation, transmission and distribution of electric power.

A magnetic pressure which sets up or tends to set up flux in a magnetic circuit is called-

In 2018, France’s highest civilian award, Legion d’Honneur was awarded to

The difference between the synchronous speed and the actual speed of an induction motor is known as-

Silicon solar cell has an open circuit voltage NOT equivalent to-

In a transmission system, a feeder feeds power to-

'Kalaripayattu' is the martial art of-

When the rotor of a three-phase induction motor runs at synchronous speed, its rotor frequency will become-

The ballistic galvanometer is designed to deflect its needle proportional to ________ passing through its moving coil.

A coil of 600 turns and of resistance of 20 Ω is wound uniformly over a steel ring of mean circumference 30 cm and cross sectional area 9 cm². If the relative permeability of the ring is 1600. Find the value of reluctance.

For a slip 's' and supply frequency 'f', the frequency of current in rotor will be-

The electric displacement of a winding in two-phase supply is-

RMS value is defined based on which of the following?

Paramagnetic substances are-

A component which is used to close or break a circuit is called-

When an electric device, appliance or electrical installation is connected to the earth electrode without a fuse, circuit breaker or resistance/Impedance, It is called ___________.

Which of the following is a possible cause of blackening at both ends of the fluorescent lamp?

Ceiling rose is used to take supply for a/an-

Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as

An anchor or down guy used at the ends of pole lines in order to counter balance. The pull of the line conductors is generally known as-

The river Ganges flows through which of the following countries?

What is the full form of CAD?

When a voltmeter-ammeter method is applied for the measurement of resistance, the voltmeter reads a value of 8.28 V and the ammeter reading is 4.14 mA, then the value of the resistance will be-

The thyristor is turned off when the anode current falls below-

Which of the following have the same unit, ms^-1 ?

In India, what is the frequency of the AC power line voltage?

The total opposition offered to the flow of current in AC circuit is called-

Which of the following are the disadvantages of synchronous motors?

If a power of 100 W is being supplied across a potential difference of 200 V, find the current flowing through the circuit. 

Which of the following diodes is a signal diode

The material used for making optic-fibre cable in general is-

Power is transmitted over transmission lines on high voltage, because

If there are “n” nodes in the circuit there will be ________ independent nodal equations

Which is the most important international agreement for conserving all biodiversity?

An alternator has 20 poles and running at 300 RPM will generate alternating voltage and current whose frequency is-

The winding of interpoles is connected ________ with the armature.

Which of the following are the types of earthing system?

Mho relay is suitable for __________ transmission lines.

The rotor in an alternator requires-

Synchronous motor when used for power factor improvement should be-

Method of representing numbers such as 0's and 1's is called-

Susceptibilities of diamagnetic material is-

What is the most common and important type of fuse used in domestic application?

Where is the control grid placed in a triode?

What is the average life of a fluorescent tube?

In an alternator, the _______ current is generated in the stationary stator.

When was the French East India Company set up?

Filament in an incandescent lamp is made of-

If the battery of a multimeter becomes weak, then it will give-

The measurement errors mainly caused by human mistakes are called-

Which of the following diodes operate(s) in reverse breakdown region?

The glasses used in spectacles and watch makers' magnifying glasses are examples of-

In 2019, which award was given to Irfan Ramzan Sheikh for foiling militant attack?

In a megger, controlling torque is provided by-

A quantity whose magnitude has a definite repeating time cycle is called a-

Kuppuswamy Naidu Trophy is associated with which sport?

Open circuit test on transformers is conducted to determine which of the following?

The rotating magnetic field in a three-phase, 6-poles, 50 Hz slip ring induction motor will rotate at-

At resonance frequency, the inductive reactance value is the same as-

The synchronous speed of a three phase induction motor having 20 poles and connected to a 50 Hz source is-

Which of the following is a type of trojan?

What is the purpose of shading coil in a shaded pole motor?

We can start MS-word by typing ________ in the Run Dialog box.

Which of the following semiconductor devices can be used for controlling the speed of a DC motor?

The rotor current frequency in a slip-ring induction motor depends on-

Equipment earthing is necessary to give protection against-

When did Bihar bifurcate from Bengal and some parts of Chota Nagpur merge into Bengal?

Good earth continuity implies-

The elements belonging to the same group of periodic table have the same-

Constellation Cassiopeia has a shape of a distorted English alphabet. Which alphabet is it?

In a 2 pole lap winding DC machine, the resistance of one conductor is 2 Ω and the total number of conductors is 100. Find the total armature resistance.

Which of the following is NOT considered to be a computer peripheral device?

Which of the following motors is employed in hair dryers?

Three-phase transformer contains-

Give an example of a metal which is a liquid at room temperature.

When is Ozone day observed?

A cluster of charges with an electric dipole moment is often called-

With which of the following games is the term 'Ground Stroke' associated?

___________ oscillator has the best frequency stability and accuracy.

If the load impedance in three phases are not equal to the load then it is said to be-

Humidity is the amount of _______ present in air.

__________ provides an interface between a process and operating system to allow user-level processes to request services of the operating system.

Isotope of hydrogen are-

________ extinguishers are ideal for places with a lot of electrical equipment such as offices or server rooms.

The unit of current is-

Automated Teller Machines (ATMs) set up, owned and operated by non-bank entities are called-

Working voltage of medium grade cables is-

Which of the following taxes is levied by the Union and collected and appropriated by the States?

If a 100 Watts bulb is ON for 10 hours, then what will be the amount of electricity consumed?

Leakage coefficient is denoted by-

The speed with which the turbo alternators operate are-

The Universal Declaration of Human Rights was proclaimed by the UN in the year:

Which of the following value of a complex current wave is equal to the square root of the sum of the square of the RMS value of the individual components?

According to Kirchhoff's current law, the algebraic sum of current leaving a node in a lumped parameter circuit is equal to-

Relative permeability of a substance is less than the permeability of free space is known as-

The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as-

HTML is the language used to create ________.

If a three-phase motor operates with only two-phases, it is called single-phasing. It will ultimately make the motor _______.

Who among the following constructed the Kailasanatha Temple at Kanchi?

In which of the following transmission lines is capacitance effect negligible?

Which of the following delays are present in packet switching?

Which of the following damages buildings by corroding them slowly?

Resonant Grounding is also known as-

Two way switches are used in ____ wiring.

Which of the following wirings is suitable for lighting in low voltage installations?

Which of the following is NOT a standard transmission voltage?

In P-type semiconductor, the majority carriers are-

What is the SI unit of electric charge?

To produce sound waves of different pitch, objects of different sizes and conditions are made to vibrate at different-

The fusing factor of protective devices for medium level load is-

Calculate the total DC resistance of a 100 metre roll of 2.5 mm² copper wire if the resistivity of copper at 20° C is 1.72 × 10^-8 Ω metre

For domestic wiring, the most extensively used material is-

The disease which wiped out one third of the population of Europe in the 12^th and 13^th centuries was-

Where is the Gulf of Mannar Marine National Park located?

A DC motor having full load speed of 750 RPM and speed regulation of 10% will have no-load speed of_______.

Which planet is called Earth's twin sister?

When checked with an ohm meter an open resistor reads-

The centripetal force required to keep the moon in its orbit is provided by which force?

A gas jar contains 1.7 g of ammonia gas. Calculate the no(number) of mole present in the gas jar?

Which device uses infrared signal to operate or control other devices remotely?

Which of the following is NOT a marine pollutant?

Which of the following is/are contaminated by the wastes produced from factories?

Which of the following devices is suitable for the removal of gaseous pollutants?

The spindle of the moving system in a PMMC instrument is supported at both ends with the help of-