C. transformer
B. d.c. generator
C. capacitor
D. magnetic circuit
E. a.c. generator
The magneto in an automobile is basically__________________? Read More »
I.C. Engines A. using additives in the fuel
B. engine derating i.e. reducing the maxi-mum flow of fuel
C. increasing the compression ratio
D. adherence to proper fuel specification
E. avoidance of overloading
A. 1 sec
B. 0.1 sec
C. 0.01 sec
D. 0.001 sec
E. 0.0001 sec
In a cycle, the spark lasts roughly for ____________________? Read More »
I.C. Engines A. more efficient
B. less efficient
C. equally efficient
D. unperdictable
E. other factors will decide it
A. Otto cycle
B. Diesel cycle
C. Dual cycle
D. Carnot cycle
E. Two stroke cycle
Most high speed compression engines operate on ___________________? Read More »
I.C. Engines A. 1500 rpm
B. 750 rpm
C. 3000 rpm
D. any value independent of engine speed
E. none of the above
A. 2-stroke cycle engines
B. 4-stroke cycle engines
C. aeroplane engines
D. diesel engines
E. high efficiency engines
The term scavenging is generally associated with______________________? Read More »
I.C. Engines A. the friction is high
B. the friction is unpredictable
C. the small difference in cooling water temperature or in internal friction has a disproportionate effect
D. the engine is rarely operated
E. none of the above
A. calorific value of oil
B. low heat value of
C. high heat value of oil
D. mean heat value of oil
E. all of the above
A heat engine utilises the_________________? Read More »
I.C. Engines A. increase linearly
B. decrease linearly
C. increase parabolically
D. decrease parabolically
E. first decrease linearly and then increase parabolically
