Industrial Drivers - Study Mode
[#61] Which of the following motors is preferred for boom hoist of a traveling crane?
Correct Answer
(C) A.C. slip ring motor
[#62] The traveling speed of cranes varies from
Correct Answer
(D) 1 to 2.5 m/s
[#63] Flame proof motors are used in
Correct Answer
(D) Explosive atmospheres
[#64] Which of the following machines has heavy fluctuation of load?
Correct Answer
(B) Punching machine
[#65] In series motor which of the following methods can be used for changing the flux per pole?
Correct Answer
(D) Any of the above