Related Questions

a motor -cycle covers 40 Km with a speed of 20 km /hr. Find the speed of the motor -cycle for the next 40 km journey so that the average speed of the whole journey will be 30 km / hr.
A 70.0km /hr
B 52.5km /hr
C 60.0km/hr
D 60. 5 km / hr
A motor cycle covers 40 km with a speed of 20 km/hr. Find the speed of the motor cycle for the next 40 km journy so that the average speed of the whole journey will be 30 km/hr?
A 70
B 52.5
C 60
D 60.5
Size of a high speed motor as compared to low speed motor for the same H.P. will be
A Bigger
B Smaller
C Same
D Any of the above
Two truck 300 km away are travelling towards is other witha constant speed. Truck A is moving at a average speed 70 km/h while truck B is moving at average speed 50 km/h who long does it take them meet.
A 5 hours
B 3 hours
C 2.5 hours
D 6 hours
The respective ratio between the speed of a speed of the car, bus and train is 5 : 9 : 6. The average speed of the car, bus and train is 72 km/hr together. What is the average speed (km/h)of the car and the train together?
A 82
B 72
C 67
D 84
Of the 120 households in an area, 55 have cars, 35 have motor bikes, and 20 have both cars and motor bikes. How many of the households in the area have neither cares nor motor bikes?
A 110
B 90
C 50
D 30
A motor pool has 300 vehicles of which 30% are trucks. 20% of all the vehicles in the motor pool are diesel, including 15 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?
A 165%
B 90%
C 65%
D 10%
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
A Frame
B Shaft
C Commutator
D Stator
One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven
A Runs as a generator
B Does not run as a generator
C Also runs as a motor comes to stop after sometime
D None of these
Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be
A Level compounded
B Under compounded
C Cumulatively compounded
D Differentially compounded

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