Mechanical Engineering MCQs

2075 MCQs  (Page 153 of 208)

The basic purpose of drum in boiler is to_____________________?
A. Serve as storage of steam
B. Serve as storage of feed water for water wall
C. Remove salts from water
D. Separate steam from water
The water tubes in a babcock and wilcox boiler are__________________?
A. Horizontal
B. Vertical
C. Inclined
D. Horizontal and inclined
Pick up the correct statement as regards Cornish boiler and Lancashire boiler _______________?
A. Cornish is fire tube and lancashire is water tube
B. Cornish is water tube and lancashire is fire tube
C. Cornish has two fire tubes and lancashire has one
D. Lancashire has two fire tubes and cornish has one
Hard coke is produced by carborisation of coal at_______________?
A. Atmospheric temperature
B. 500-600°c
C. 70o-850°c
D. 95o-1100°c
Hard coke is used in________________?
A. Cement industry
B. Thermal power plant
C. Blast furnace
D. Domestic use
Locomotive boiler is of the following type__________________?
A. multitubular
B. horizontal
C. internally fired
D. mobile