Related Questions

Which of the following motors are preferred for overhead traveling cranes?
A Slow speed motors
B Continuous duty motors
C Short time rated motors
D None of the above
Short time rated motors are preferred for overhead traveling cranes
A True
B False
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
For crane travel which of the following motors is normally used?
A Synchronous motor
B D.C. differentially compound motor
C Ward-Leonard controlled D.shunt motor
D AC. slip ring motor
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
A Low cost
B Wide speed range
C Stability
D High starting torque
নির্দিষ্ট সময়ে একটি বিমান যদি sonic boom তৈরি করে তাহলে বিমানটি
A শব্দের গতিবেগ অপেক্ষা বেশি গতিবেগে উড়ছে
B আলোর গতিবেগে উড়ছে
C শব্দের গতিবেগের সমান গতিকেগে উড়ছে
D আলোর গতিবেগ হতে বেশি গতিবেগে উড়ছে

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