Related Questions

Short time rated motors are preferred for overhead traveling cranes
A True
B False
The traveling speed of cranes varies from
A 20 to 30 m/s
B 10 to 15 m/s
C 5 to 10 m/s
D 1 to 2.5 m/s
Which of the following motors is preferred for boom hoist of a traveling crane?
A Single phase motor
B Synchronous motor
C A.slip ring motor
D Ward-Leonard controlled D.C. shunt motor
A train which travels at a uniform speed due to some mechanical fault after traveling for an hour goes at 3/5th of the original speed and reached the destination 2 hours late. If the fault had occurred after traveling another 50 miles, the train would ha
A 280
B 300
C 310
D 320
Amer is working in an insurance company as traveling salesman. He drove 373.5 miles on Monday, 481.6 miles on Tuesday, 392.8 miles on Wednesday, 502 miles on Thursday and 53.7 miles on Friday . What is his average traveling?
A 351.8 miles
B 360.72 miles
C 413.6 miles
D 286.9 miles
A train traveling at 100 km per hour overtakes a motorbike traveling at a speed of 65 km per hour in 40 seconds. What is the length of the train in meters?
A 388.89 meters
B 450 meters
C 500 meters
D 550 meters
A train of length l, traveling at a constant velocity, passes a pole in t seconds .If the same train traveling at the same velocity passes a platform in 3t seconds, then the length of the platform is-------
A 0.5l
B l
C 1.5l
D 2l
Travelers checks are useful when one is traveling because ____ people get advantages by using them during traveling.
A many
B few
C a few
D much
Which D.C. motor is generally preferred for cranes and hoists?
A Series motor
B Shunt motor
C Cumulatively compounded motor
D Differentially compounded motor
The time interval from when the given star passes directly overhead to when it next passed directly overhead, is defined as
A one sidereal day
B one solar day
C both the terms are similar, so any of these may be used
D None of the above

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