Related Questions

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
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
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 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
At 8 am two trains started traveling towards each other from stations 300 Km apart. They passed each other at 12 noon. the same day. If the average speed of the faster train was 9 km more than that of the slower train, then what is the speed of the faster train in km/hr?
A 40
B 42
C 45
D None
What is the purpose of the electromagnetic field which surrounds a traveling-wave tube?
A To accelerate the electron
B To velocity modulate the electron beam
C To keep the electrons from spreading out
D To slow down the signal on the helix
একটি চলমান তরঙ্গ (traveling wave) -এর সমীকরণ y=0.2 sin 4    π (240t -x) হলে, এর তরঙ্গদৈর্ঘ্য (wavelength) কত হবে?
A 0.5
B 1
C 2
Coupling into and out of a traveling-wave tube can be accompanied by a
A Waveguide match
B Cavity match
C Direct coax-helix match
D All of the above
A traveling-wave tube (TWT) amplifies by virtue of
A The absorption of energy by the signal from an electron stream
B The effect of an external magnetic field
C The energy contained the cavity resonators
D The energy liberated form the collector

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