|
Which feature, while selecting a motor for centrifugal pump, will be of least significance?
|
|
0
|
139
|
October 12, 2021
|
|
The load cycle for a motor driving a power press will be ___
|
|
0
|
177
|
October 12, 2021
|
|
The cost of an induction motor will ___
|
|
0
|
177
|
October 12, 2021
|
|
The travelling speed of cranes varies from ___
|
|
0
|
135
|
October 12, 2021
|
|
For derries and winches which of the following drives can be used?
|
|
0
|
140
|
October 12, 2021
|
|
In jaw crushers a motor has to often start against ___
|
|
0
|
121
|
October 12, 2021
|
|
In a paper mill where constant speed is ___
|
|
0
|
155
|
October 12, 2021
|
|
___ need frequent starting and stopping of electric motors
|
|
0
|
184
|
October 12, 2021
|
|
When the load is above ___
|
|
0
|
148
|
October 12, 2021
|
|
Which of the following alternatives will be cheaper?
|
|
0
|
165
|
October 12, 2021
|
|
Which of the following motors is preferred for boom hoist of a travelling crane?
|
|
0
|
161
|
October 11, 2021
|
|
Heavy duty cranes are used in ___
|
|
0
|
174
|
October 11, 2021
|
|
Which of the following machines has heavy fluctuation of load?
|
|
0
|
243
|
October 11, 2021
|
|
In ___ method of starting three phase induction motors the starting voltage
|
|
0
|
136
|
October 11, 2021
|
|
For which of the following applications 'D.C. motors are still preferred?
|
|
0
|
187
|
October 11, 2021
|
|
Which part of a motor needs maximum attention for maintenance?
|
|
0
|
241
|
October 11, 2021
|
|
___ is preferred for automatic drives
|
|
0
|
179
|
October 11, 2021
|
|
The diameter of the rotor shaft for an electric motor depends on ___
|
|
0
|
168
|
October 11, 2021
|
|
The characteristics of drive for crane hoisting and lowering are which of the following?
|
|
0
|
136
|
October 11, 2021
|
|
In which of the following applications variable speed operation is preferred?
|
|
0
|
174
|
October 11, 2021
|
|
Flame proof motors are ___
|
|
0
|
136
|
October 11, 2021
|
|
___ method of starting a three phase induction motor needs six terminals
|
|
0
|
193
|
October 11, 2021
|
|
Rotor of a motor is usually supported on ___
|
|
0
|
135
|
October 11, 2021
|
|
Which of the following motors is used for elevators?
|
|
0
|
167
|
October 11, 2021
|
|
Which of the following motors always starts on load?
|
|
0
|
273
|
October 11, 2021
|
|
While selecting motor for an air conditioner which of ___
|
|
0
|
208
|
October 11, 2021
|
|
The capacity of a crane is expressed in ___
|
|
0
|
175
|
October 11, 2021
|
|
In ___ the speed can be varied by changing the position of brushes
|
|
0
|
167
|
October 11, 2021
|
|
In which of the following application the load on motor changes in cyclic order?
|
|
0
|
159
|
October 11, 2021
|
|
Reluctance motor is ___
|
|
0
|
231
|
October 11, 2021
|