A. Light duty
B. Medium duty
C. Heavy duty
D. All of the above
Related Mcqs:
- ________________is preferred for automatic drives?
A. Squirrel cage induction motor
B. Synchronous motors
C. Ward-Leonard controlled D.C. motors
D. Any of the above - Which of the following motors is usually preferred for kiln drives ?
A. Cascade controlled A.C. motor
B. Slip ring induction motor
C. Three phase shunt wound com-mutator motor
D. Any of the above - For derries and winches which of the following drives can be used ?
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 - Which of the following drives is suitable for mines where explosive gas exists ?
A. Steam engine
B. Diesel engine
C. Battery locomotive
D. Any of the above - The speed of a locomotive is controlled by_______________?
A. flywheel
B. gear box
C. applying brakes 11.
D. regulating steam flow to engine - In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?
A. RC + RL
B. RC || RL
C. RL
D. RC - In case of _________________ free running and coasting periods are generally long ?
A. main-line service
B. urban service
C. sub-urban service
D. all of the above - The zero signal IC is generally ______________ mA in the initial stages of a transistor amplifier?
A. 4
B. 1
C. 3
D. More than 10 - The base resistor method is generally used in ________________?
A. Amplifier circuits
B. Switching circuits
C. Rectifier circuits
D. None of the above - RC coupling is generally confined to low power applications because of____________?
A. Large value of coupling capacitor
B. Low efficiency
C. Large number of components
D. None of the above
