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 7101What 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 4122what 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,
3835Post New Mechanical Engineering Questions
At 50 Centigrade (Fuel oil) what is its cast?
Describe transfer machines?
What causes white smoke in two stroke locomotive engines?
What is the maximum P-max for a cylinder in M/E.
Who all falls under the Perview of Excise Duty, we mean who has to pay the Excise Duty, eg: does all mfrs have to pay ED or who has high turnover they should only pay ED, if yes that what is the Turnover limit?
Explain the fresh water cooling system.
Methods to dry up wet induction motors?
In terms of electrical enhineering, give a detailed explanation of the "earth fault loop path"
What is the difference between isotropic material and homogeneous material ?
Which type of question u have asked to the fresher
What is the purpose of a de-superheater?
What is meant by cross flow heat exchanger?
What are the things to do when approaching the port?
Explain the advantages of diesel engines?
What are four types of turbine seals?
