Related Questions

If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens
A This will make armature to take heavy current, possibly burning it
B This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses
C Nothing will happen to motor
D Motor will come to stop
If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
A Nothing will happen to the motor
B This will make armature to take heavy current, possibly burning it
C This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses
D Motor will run at very slow speed
A small factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines?
A 1.333
B 4.333
C 6
D 13
A machine P can print out one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M.While machine P is stopped at 11 A.M. and remaining two machines completed the work. Approximately at what at what time will the work time (to print one lakh books) be finished?
A 11.30 Am
B 12 Noon
C 12.30 Pm
D 11.35 am
A factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines?
A 1.333
B 4.333
C 6
D 13
Rf(Retardation factor) মানের একক কোনটি?
A c,
B ,,
C omcj
D কোনটিই নয়
বুদ্ধাংক কত এর নিচে হলে বুদ্ধি প্রতিবন্ধিতা হিসেবে ধরা হয়? (Below which IQ score is it considered as mental retardation?)
A 100
B 90
C 70
D 50
Common causes of intra-uterine growth retardation are
A Pre-eclampsia
B Chromosomal abnormalities
C Systemic lupus erythometosus
D Diabetes mellitus
E Post maturity
The coasting retardation is around
A 0.16 km phps
B 1.6 km phps
C 16 km phps
D 40 km phps
The braking retardation is usually in the range
A 0.15 to 0.30 km phps
B 0.30 to 0.6 km phps
C 0.6 to 2.4 km phps
D 3 to 5 km phps

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