1. What will happen if the armature rheostat is not in maximum position while starting the motor? 2. What will happen if the armature resistance is in minimum position and the eld resistance is in maximum position while starting the motor? 3. How do you reverse the direction of rotation of a DC motor? 4. If the armature connection and the eld connection both are reversed, does the direction of rotation of the motor reverse?
2 7003What is the difference in specification of following pipe stand for 1 seamless pipe 200nb material SA355,P22,SCH80 AND 2 SEAMLESS PIPE 200NB,SA335,P11,SCH80
1 4055what is the use of CW(Circulating water ,clarified water,cooling water),auxiliary cooling water(ACW),auxiliary raw cooling water(ARCW)in thermal power plant.plzz explain the different characteristics of these types of water.
NTPC,
3756Post New Mechanical Engineering Questions
Please inform about mahagenco exam 2010?
If the black box flight recorder is never damaged during a plane crash, why not the whole airplane made out of that stuff?
how to calculate bearing pre-load?
WHAT ARE EARTH MOVING M/CS? WHAT IS BATCHING PLANT? WHAT IS HYDRAULIC JUMP? WHAT IS TIPPER (EARTH MOVING M/C)?
What is orthographic drawing?
How do you define mechanical efficiency in case of compressor? How it is different that of an IC engine?
How does a modern submarine move?
Is there a lower limit to the gland surface finish for static O-rings, gaseous system? surface finish table lists 0.41-0.81 micro-meters for static gaseous systems. What is the drawback of using a smoother surface finish lower than 0.41?
thermal engg
why the wear of back tyre takes place more rapidly than front?
Explain how the lubricating oil circulates in a diesel engine.
Causes of emergency trip of diesel engine
Which is the common element between brass and bronze ?
What is the purpose of air blow?
difference between internal energy and enthalpy?
