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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

All Topics  1919

The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is___________________?
A more
B less
C same
D could be more or less depending on other factors
Correct Answer: more
The water tubes in a babcock and wilcox boiler are__________________?
A horizontal
B vertical
C inclined
D horizontal and inclined
Correct Answer: inclined
The diameters of fire tubes and superheaer tubes in locomotive boiler are_________________?
A 47.5 mm, 130 mm
B 32.5 mm, 180 mm
C 65.5 mm, 210 mm
D 24.5 mm, 65 mm
Correct Answer: 47.5 mm, 130 mm
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
Correct Answer: 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
Correct Answer: 95O-1100°C
Hard coke is used in________________?
A cement industry
B thermal power plant
C blast furnace
D domestic use
Correct Answer: blast furnace
A boiler in India should conform to safety regulations of__________________?
A DIN
B BS
C ASTM
D IBR
Correct Answer: IBR
Which of the following boilers is best suited to meet fluctuating demands___________________?
A babcock and wilcox
B locomotive
C lancashire
D cochran
Correct Answer: locomotive
The shell diameter and length of locomotive boiler are_______________?
A 1.5 m, 4 m
B 1.5 m, 6 m
C 1 m, 4 m
D 2 m, 4 m
Correct Answer: 1.5 m, 4 m
In locomotive boiler, maximum steam pressure is limited to_______________?
A 1 kg/cm2
B 5 kg/cm2
C 10 kg/cm2
D 18 kg/cm2
Correct Answer: 18 kg/cm2
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