|
What is the ratio of illuminance at a point 5m just below ___
|
|
0
|
233
|
June 28, 2023
|
|
Which cells in the eye are responsible for scotopic vision?
|
|
0
|
167
|
June 28, 2023
|
|
Which lamp has the best Colour Rendering Index (CRI)?
|
|
0
|
343
|
June 28, 2023
|
|
Solid angle is expressed in terms of ___
|
|
0
|
168
|
June 28, 2023
|
|
Candela is the unit of which?
|
|
0
|
185
|
June 28, 2023
|
|
In electrical resistance welding material of electrode should have ___
|
|
0
|
184
|
June 28, 2023
|
|
Whenever the magnetic flux changes with respect to ___
|
|
0
|
155
|
June 28, 2023
|
|
A Shunt generator running at 1000 rpm has ___
|
|
0
|
211
|
June 28, 2023
|
|
For a DC machine having P no of pole ___
|
|
0
|
157
|
June 28, 2023
|
|
For a DC machine having P no of pole pairs Z no of conductors having ___
|
|
0
|
286
|
June 28, 2023
|
|
DC generators are usually designed to develop armature voltages not ___
|
|
0
|
212
|
June 27, 2023
|
|
There are two 2-pole DC ___
|
|
0
|
220
|
June 27, 2023
|
|
A 10 kW, 230 V, dc shunt machine has four terminals brought out ___
|
|
0
|
186
|
June 27, 2023
|
|
Two dc machines A and B, using the same ___
|
|
0
|
171
|
June 27, 2023
|
|
If two 8-pole dc machines of identical armature sare wound, one with lap ___
|
|
0
|
202
|
June 27, 2023
|
|
The introduction of interpoles in between the main poles improves the ___
|
|
0
|
215
|
June 27, 2023
|
|
Consider the following statements about commutating poles which are ___
|
|
0
|
172
|
June 27, 2023
|
|
The volt-ampere equation for a long-shunt compound motor is ___
|
|
0
|
250
|
June 27, 2023
|
|
In a dc generator operating on load with its brushes on ___
|
|
0
|
180
|
June 27, 2023
|
|
Which of the following factors improve commutation in a dc machine?
|
|
0
|
174
|
June 27, 2023
|
|
In a dc machine, the demagnetizing effect of armature reaction is ___
|
|
0
|
229
|
June 27, 2023
|
|
In a loaded dc generator, If the brushes are given a shift from the ___
|
|
0
|
209
|
June 27, 2023
|
|
The magnetic circuit of a dc shunt generator with ___
|
|
0
|
181
|
June 27, 2023
|
|
The type of DC generator used for arc welding purpose is ___
|
|
0
|
183
|
June 27, 2023
|
|
The residual magnetism of a self-excited dc generator is ___
|
|
0
|
162
|
June 27, 2023
|
|
A bipolar dc machine with interpoles has a main-pole flux of ф per pole and ___
|
|
0
|
187
|
June 27, 2023
|
|
A separately-excited dc motor has an armature resistance of ___
|
|
0
|
195
|
June 27, 2023
|
|
The counter (or back) emf in a dc machine is ___
|
|
0
|
186
|
June 27, 2023
|
|
The direction of generated emf in the armature coil of ___
|
|
0
|
206
|
June 27, 2023
|
|
A belt-driven cumulatively-compound dc generator is delivering power to ___
|
|
0
|
188
|
June 27, 2023
|