A. 30°
B. 45°
C. 60°
D. 75°
Related Mcqs:
- 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 - Safety valves are provided in chemical equipments to guard against excessive_________________?
A. Temperature
B. Pressure/pressure fluctuation
C. Turbulence
D. Noise - A cylindrical storage tank can have a self supported conical roof ?
A. If its diameter is less than 15-20metres
B. If its diameter is more than 50 meters
C. If the thickness of the roof is more than that of the cylindrical shell
D. Irrespective of its diameter - For high pressure process equipments/vessels, the connected nozzle should be____________________?
A. Welded
B. Screwed
C. Flanged
D. Brazed - Factor of safety (i.e., overdesign factor) in heat transfer equipments is about _____________ percent more than the actual/theoretical design factor?
A. 5-10
B. 15-20
C. 30-35
D. 35-40 - In actual operation of a bubble cap distillation tower, the ______________ at the bottom of the tower is more than that at the top of the tower?
A. Molal flow rate of vapour
B. Vapour molecular weight
C. Pressure and temperature
D. All A., B. and 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 - 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 - 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 - Fresh water carrying pipelines in chemical industries are coloured with _______________ color?
A. Sea green
B. Brown
C. Yellow
D. Red