Related Questions

Bucket elevators are used for
A carrying coal in horizontal direction
B carrying coal in vertical direction
C carrying coal in any direction
D none of the above
Which IS codes gives details about elevators?
A IS 27752
B IS 38665
C IS 14665
D IS 27855
Which D.C. motor is preferred for elevators?
A Shunt motor
B Series motor
C Differential compound motor
D Cumulative compound motor
Bucket elevators are not suitable for the vertical lifting of __________ materials.
A Fine (e.g. - 200 mesh size coal)
B Sticky (e.g. clay paste)
C Small lumpy (e.g. grains and sand)
D Free flowing
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
Which of the following motors is used in mixies ?
A Repulsion motor
B Reluctance motor
C Hysteresis motor
D Universal motor
Which of the following motors is usually used in household refrigerators?
A D.C. shunt motor
B D.C. series motor
C Single phase induction motor (split phase start or induction run motor)
D Reluctance motor
Which of the following motors will be used in electric clocks ?
A D.C. shunt motor
B D.C. series motor
C A.induction motor
D A.C. synchronous motor
Which of the following motors is used in tape-recorders ?
A Hysteresis motor
B Reluctance motor
C Capacitor-run motor
D Universal motor
Which of the following motors is used in a situation where load increases with speed ?
A Induction motor
B Three-phase series motor
C Schrage motor
D Hysteresis motor

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