A. Stainless steel
B. Reinforced cement concrete
C. Cast iron
D. Asbestos cement
Related Mcqs:
- The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe) ?
A. A
B. D
C. 1/A
D. 1/A2 - Bad odour in sanitary latrines is reduced by periodically sprinkling_____________________?
A. Bleaching powder
B. Lime powder
C. Aluminium sulphate
D. None of these - Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?
A. Black
B. Silver grey
C. Green
D. Yellow - Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
A. Emissivity of pipe surface
B. Diameter & length of the pipe
C. Temperature of hot pipe surface & that of air in the room
D. None of these - Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?
A. 9,100
B. 13,000
C. 7,000
D. 2,550 - Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of ______________ will facilitate the most accurate measurement of the temperature ?
A. Copper
B. Steel
C. Aluminium
D. Brass - Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in ______________ position ?
A. Horizontal
B. Vertical
C. Inclined
D. Any - Oxyacetylene reducing flame is used while carrying out welding on___________________?
A. Alloy steel
B. Grey cast iron
C. Mild steel
D. High carbon steel - Water hammer is caused in steam carrying pipelines, because of ______________________?
A. Partial condensation of steam
B. Vibration of the pipeline
C. High degree of superheat of steam
D. Its exposure to torrential rain - Oxyacetylene reducing flame is used while carrying out welding on__________________?
A. Alloy steel
B. Grey cast iron
C. Mild steel
D. High carbon steel
