A. Sea green
B. Brown
C. Yellow
D. Red
Related Mcqs:
- The normal range of velocity of water in pipes is _______________ m/sec?
A. 0.1-0.5
B. 1-2
C. 10-50
D. 15-30 - A ‘rupture disc’ is provided in chemical equipments as an accessory meant for ___________________?
A. Relieving excess pressure
B. Creating turbulence
C. Enhancing mixing rate
D. Avoiding vortex formation - Accidents in chemical plants are mostly due to___________________?
A. Inadequate equipment design
B. Faulty operating procedures
C. Improper layout of the equipments
D. Failure of equipments - Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?
A. 30°
B. 45°
C. 60°
D. 75° - The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about ______________ kms?
A. 1
B. 5
C. 15
D. 25 - Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if___________________?
A. Plain carbon steel and cast iron parts are used
B. Wall thickness is > 30 mm
C. Material of construction is high alloy steel
D. Both B. & C. - Welded joint efficiency in the design of chemical process equipment is taken as_________________?
A. 0.55
B. 0.75
C. 0.85
D. 0.95 - Safety valves are provided in chemical equipments to guard against excessive_________________?
A. Temperature
B. Pressure/pressure fluctuation
C. Turbulence
D. Noise - A/an _______________ is used for changing the direction of a pipeline?
A. Elbow
B. Union
C. Flange
D. Disc compensator - In packed towers provided with saddle packing, liquid redistributors are positioned at every _______________ times column diameter or 6 metres whichever is less?
A. 2-3
B. 5-8
C. 10-15
D. 20-25
