Related Questions

A company paid tk.500000 in merit raises to employees whose performances were rated A, B, or C. Each employee rated A received twice the amount of the rated C.each employee rated B received 150% of the amount of the raise thst was paid to each employee rated C. if 50 workers were rated A,100rated B and 150 were rated C, how much was the raise paid to each employee rated B?
A Tk. 740
B Tk. 1250
C Tk. 1875
D Tk. 2500
Short time rated motors are preferred for overhead traveling cranes
A True
B False
Tipping bucket used in the rain gauge will turn under the action of --------.
A battery
B motor
C gravity
D hand movement
A screw jack used for lifting the loads is
A A reversible machine
B A non-reversible machine
C An ideal machine
D None of these
Which type of load is offered by cranes and hoists ?
A Gradually varying load
B Non-reversing, no-load start
C Reversing, light start
D Reversing, heavy start
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under
A Uniform throughout
B Increase uniformly
C First increase and then decrease
D Increase uniformly first and then increase rapidly
The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is
A sin θ
B cos θ
C tan θ
D cosec θ
Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of
A D.C. series motor
B D.C. shunt motor
C Induction motor
D All of above motors
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
If 18 identical machines required 40 days to complete a job, how many fewer days would have been required to do the job if 6 additional machines of the same type had been used from the beginning?
A 10
B 13.33
C 16
D 26.66

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