Question 1

has relatively wider range of speed control.

Accepted Answer

A) Synchronous motor 
B) Ship ring induction motor 
C) Squirrel cage induction motor 
D) D.C.shunt motor 
A) Synchronous motor 
B) Ship ring induction motor 
C) Squirrel cage induction motor 
D) D.C.shunt motor D

Question 2

Which of the following machines has heavy fluctuation of load ?

Accepted Answer

A) Printing machine 
B) Punching machine 
C) Planer 
D) Lathe 
A) Printing machine 
B) Punching machine 
C) Planer 
D) Lathe B

Question 3

For derries and winches which of the following drives can be used ?

Accepted Answer

A) Pole changing squirrel cage motors 
B) D.C.motors with Ward-leonard con-trol 
C) A.C.slip ring motors with variable resistance 
D) Any of the above 
A) Pole changing squirrel cage motors 
B) D.C.motors with Ward-leonard con-trol 
C) A.C.slip ring motors with variable resistance 
D) Any of the above D

Question 4

Reluctance motor is a

Accepted Answer

A) variable torque motor 
B) low torque variable speed motor 
C) self starting type synchronous motor 
D) low noise, slow speed motor 
A) variable torque motor 
B) low torque variable speed motor 
C) self starting type synchronous motor 
D) low noise, slow speed motor

Question 5

Battery operated scooter for braking uses

Accepted Answer

A) plugging 
B) mechanical braking 
C) regenerative braking 
D) rheostatic braking 
A) plugging 
B) mechanical braking 
C) regenerative braking 
D) rheostatic braking

Question 6

For a motor-generator set which of the following motors will be preferred ?

Accepted Answer

A) Synchronous motor 
B) Slip ring induction motor 
C) Pole changing induction motor 
D) Squirrel cage induction motor 
A) Synchronous motor 
B) Slip ring induction motor 
C) Pole changing induction motor 
D) Squirrel cage induction motor

Question 7

Heavy duty cranes are used in

Accepted Answer

A) ore handling plants 
B) steel plants 
C) heavy engineering workshops 
D) all of the above 
A) ore handling plants 
B) steel plants 
C) heavy engineering workshops 
D) all of the above

Question 8

Flame proof motors are used in

Accepted Answer

A) paper mills 
B) steel mills 
C) moist atmospheres 
D) explosive atmospheres 
A) paper mills 
B) steel mills 
C) moist atmospheres 
D) explosive atmospheres

Question 9

Which of the following motors is usually preferred for kiln drives?

Accepted Answer

A) Cascade controlled A.C.motor 
B) Slip ring induction motor 
C) Three phase shunt wound com-mutator motor 
D) Any of the above 
A) Cascade controlled A.C.motor 
B) Slip ring induction motor 
C) Three phase shunt wound com-mutator motor 
D) Any of the above

Question 10

In which of the following applications the load on motor changes in cyclic order?

Accepted Answer

A) Electric shovels 
B) Cranes 
C) Rolling mills 
D) All of the above 
A) Electric shovels 
B) Cranes 
C) Rolling mills 
D) All of the above

Question 11

In case of speed control by injecting e.m.f. in the rotor circuit is possible,

Accepted Answer

A) d.c.shunt motor 
B) schrage motor 
C) synchronous motor 
D) slip ring induction motor 
A) d.c.shunt motor 
B) schrage motor 
C) synchronous motor 
D) slip ring induction motor

Question 12

In the speed can be varied by changing the position of brushes.

Accepted Answer

A) slip ring motor 
B) schrage motor 
C) induction motor 
D) repulsion motor 
A) slip ring motor 
B) schrage motor 
C) induction motor 
D) repulsion motor

Question 13

Heat control switches are used in

Accepted Answer

A) transformers 
B) cooling ranges 
C) three phase induction motors 
D) single phase 
A) transformers 
B) cooling ranges 
C) three phase induction motors 
D) single phase

Question 14

A pony motor is used for the starting which of the following motors ?

Accepted Answer

A) Squirel cage induction motor 
B) Schrage motor 
C) Synchronous motor 
D) None of the above 
A) Squirel cage induction motor 
B) Schrage motor 
C) Synchronous motor 
D) None of the above

Question 15

In jaw crushers a motor has to often start against load.

Accepted Answer

A) heavy 
B) medium 
C) normal 
D) low 
A) heavy 
B) medium 
C) normal 
D) low

Question 16

has the least value of starting torque to full load torque ratio.

Accepted Answer

A) D.C.shunt motor 
B) D.C.series motor 
C) Squirrel cage induction motor 
D) Slip ring induction motor 
A) D.C.shunt motor 
B) D.C.series motor 
C) Squirrel cage induction motor 
D) Slip ring induction motor

Question 17

Which of the following is essentially needed while selecting a motor ?

Accepted Answer

A) Pulley 
B) Starter 
C) Foundation pedal 
D) Bearings 
A) Pulley 
B) Starter 
C) Foundation pedal 
D) Bearings

Question 18

has least range of speed control.

Accepted Answer

A) Slip ring induction motor 
B) Synchronous motor 
C) C.shunt motor 
A) Slip ring induction motor 
B) Synchronous motor 
C) C.shunt motor

Question 19

The size of an excavator is usually expressed in terms of

Accepted Answer

A) 'crowd' motion 
B) angle of swing 
C) cubic metres 
D) travel in metres 
A) 'crowd' motion 
B) angle of swing 
C) cubic metres 
D) travel in metres

Question 20

In method of staging three phase induction motors the starting voltage is not reduced.

Accepted Answer

A) auto-transformer 
B) star-delta 
C) slip ring 
D) any of the above 
A) auto-transformer 
B) star-delta 
C) slip ring 
D) any of the above

has relatively wider range of speed control.

Which of the following machines has heavy fluctuation of load ?

For derries and winches which of the following drives can be used ?

Reluctance motor is a

Battery operated scooter for braking uses

For a motor-generator set which of the following motors will be preferred ?

Heavy duty cranes are used in

Flame proof motors are used in

Which of the following motors is usually preferred for kiln drives?

In which of the following applications the load on motor changes in cyclic order?

In case of speed control by injecting e.m.f. in the rotor circuit is possible,

In the speed can be varied by changing the position of brushes.

Heat control switches are used in

A pony motor is used for the starting which of the following motors ?

In jaw crushers a motor has to often start against load.

has the least value of starting torque to full load torque ratio.

Which of the following is essentially needed while selecting a motor ?

has least range of speed control.

The size of an excavator is usually expressed in terms of

In method of staging three phase induction motors the starting voltage is not reduced.

Electric Motors: Selection, Types, and Applications

Motor for Various Applications

Motor and Drive System

Motor and Crane Technology: Understanding the Different Types and Applications

Electric Motors and Drives: Exploring Speed, Control, and Efficiency

Contactors, Motors, and Load Torques

Electrical Drives and Components

Motors and Drives for Industrial Applications

Motor and Power Systems

Locomotives and Train Systems

Traction Systems and Locomotive Performance

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Exam 2: Motor Selection and Applications in Various Industries

has relatively wider range of speed control.

Which of the following machines has heavy fluctuation of load ?

For derries and winches which of the following drives can be used ?

Reluctance motor is a

Battery operated scooter for braking uses

For a motor-generator set which of the following motors will be preferred ?

Heavy duty cranes are used in

Flame proof motors are used in

Which of the following motors is usually preferred for kiln drives?

In which of the following applications the load on motor changes in cyclic order?

In case of speed control by injecting e.m.f. in the rotor circuit is possible,

In the speed can be varied by changing the position of brushes.

Heat control switches are used in

A pony motor is used for the starting which of the following motors ?

In jaw crushers a motor has to often start against load.

has the least value of starting torque to full load torque ratio.

Which of the following is essentially needed while selecting a motor ?

has least range of speed control.

The size of an excavator is usually expressed in terms of

In method of staging three phase induction motors the starting voltage is not reduced.

Electric Motors: Selection, Types, and Applications

Motor for Various Applications

Motor and Drive System

Motor and Crane Technology: Understanding the Different Types and Applications

Electric Motors and Drives: Exploring Speed, Control, and Efficiency

Contactors, Motors, and Load Torques

Electrical Drives and Components

Motors and Drives for Industrial Applications

Motor and Power Systems

Locomotives and Train Systems

Traction Systems and Locomotive Performance

Filters