A. cast iron
B. vitrified clay
C. asbestos cement
D. concrete
E. mild steel
Related Mcqs:
- In grey cast iron, carbon is present in the form of____________________?
A. cementite
B. free carbon
C. flakes
D. spheroids
E. nodular aggregates of graphite - Pipes for bicycle frames are made of___________________?
A. cold rolled steel
B. hot rolled steel
C. forged steel
D. cast steel
E. carbon-chrome steel - Which of the following pipes is least corrosion resistant__________________?
A. brass
B. mild steel
C. cast iron
D. wrought iron
E. copper - The ratio of useful power; engine friction exhaust gas losses; cooling water, air and oil losses for a diesel engine is of the order of____________________?
A. 5:25:30:50
B. 25:35:5:35
C. 25:5:10:60
D. 40:30:15:15
E. 25:5:35:35 - Lancashire boiler is of____________________?
A. stationary<fire tube-type
B. horizontal type
C. natural cirulation type
D. internally fired type
E. all of the above - Ultimate analysis of fuel is determination of percentage of____________________?
A. carbon, hydrogen, nitrogen, sulphur, moisture
B. fixed carbon, ash, volatile matter, moisture
C. higher calorific value
B. lower calorific value
E. best analysis - Exhaust pipes of engines are covered with insulating marterial in order to_________________?
A. keep the exhaust pipes warm
B. reduce formation of condenstae
C. reduce heat transfer to the engine room
D. increase engine efficiency
E. conserve heat - For pipes, turbulent flow occurs when Reynolds number is _____________________?
A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above - Addition of lead and bismuth to aluminium results in_________________?
A. improvement of casting characteristics
B. improvement of corrosion resistance
C. one of the best known age and precipitation-hardening systems
D. improving machinability
E. none of the above - Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?
A. bismuth
B. copper
C. aluminium
D. nickel
E. iron
