www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-1
Steam Boilers and Engines
148

Steam Boilers and Engines MCQ with Answers

148) The mechanical draught __________ with the amount of smoke.

increases

decreases

does not effect

none of these

Answer is:

decreases

Steam Boilers and Engines MCQ with Answers

For more MCQ's Click Here

Related Steam Boilers and Engines MCQ with Answers

149) When the expansion of steam is carried out in a single cylinder and then exhausted into the atmosphere or a condenser, the engine is said to be a simple steam engine.

Correct

Incorrect

Answer is:

Correct

150) The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks

180 Degree to each other

90 Degree to each other

0 Degree to each other

none of these

Answer is:

180 Degree to each other

151) In a single acting steam engine

the steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft

the steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft

the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft

the steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft.

Answer is:

the steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft

152) The cylindrical shell of a Lancashire boiler has diameter from

1 to 2 m

1.25 to 2.25 m

1.5 to 2.5 m

1.75 to 2.75 m

Answer is:

1.75 to 2.75 m

Steam Boilers and Engines MCQ with Answers

For more MCQ's Click Here