An elevator drive is required to operate ______. – McqOptions

MCQOPTIONS

1.	An elevator drive is required to operate ______.
A.	Three quadrants
B.	Two quadrants
C.	All four quadrants
D.	One quadrant only
Answer» D. One quadrant only

Discussion

No Comment Found

Related MCQs

One of the basic parameters used by ASME to define fans is:
A motor has to be selected for following load cycle. Load uniformly rising from zero to 100 hp in 10 minutes after which it is constant at 100 hp for the next 10 minutes, followed by no load period of 30 minutes. Suitable size of continuous rated motor is:
HP of fan/blower is proportional to _______, where N is speed.
An elevator drive is required to operate ______.
In a blower fan, reducing the RPM by 10%
In the case of centrifugal pumps, the starting torque compared to full load torque is approximately
Axial flow fans are
In fans, power (P) is related to speed (N) by relation
An electric motor operates at full-load of 100 KW for 10 min, at 1 / 2 load for next 20 min, no-load for the next 20 min and this cycle repeats continuously. Find the continuous rating of the suitable motor.
Power output of a fan is based on