Answer / Ankit Rathi

Advantages of gear drives include higher power transmission efficiency, ability to handle high torque loads, and precise speed control. Disadvantages include increased noise levels, greater maintenance requirements (e.g., lubrication), and higher initial cost compared to belt drives. Advantages of belt drives include lower cost, quiet operation, and ability to handle smaller power transmission. Disadvantages include lower efficiency, limited speed range, and the need for proper tensioning and alignment.

when do we use roller bearing, deep groove ball bearing, angular bearing, sealed bearing, semi sealed bearing, unsealed bearing, anti friction bearing, journal bearing, thrust bearing

1 Answers  

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if you say any object having a certain mass must be on the surface of the earth due to gravity, but how come gas molecules even after having a certain mass in atm. temperature and pressure not able to stay on ground.

2 Answers  

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why the head portion of the screw jack (which carries the load when not rotating) is made hollow?

1 Answers  

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sir I have applied for HPCL management trainee..Can i get previous MECHANICAL ENGINEERING question paper..? stalin

3 Answers   Bhel, HPCL, IOCL, RRB,

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What do u mean about Gear Coupling Number like 101,102,103.....110,112....and how u will get proper Number of Gear Coupling.,Explain it.

2 Answers   TATA,

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What are the causes of boiler backfire and steps in how to prevent it from happening?

1 Answers   RRB,

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What is the use of outside micrometer?

1 Answers  

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If anybody has placement papers for igl , plz send to me as soon my exam is on 12 Jan. My mail I'd is navjot.singh800@gmail.com

0 Answers   Indraprastha Gas Limited IGL,

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Where do railway steam engines carry there water?

1 Answers  

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"In a four-stroke diesel engine, In what engine exhaust valve will open?"

1 Answers   RRB,

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Briefly explain the term gravity

1 Answers  

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What is the function of "Speed Governor" in steam turbine? How it works?

3 Answers   TVS,

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