A. 110
B. 85
C. 60
D. 45
Related Mcqs:
- Cobalt – 60 is used as a source of _____________ in medical therapy & industrial radiography?
A. X-rays
B. γ-rays
C. α-rays
D. β-rays - For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be _________________ toys ?
A. 250
B. 500
C. 1000
D. 3000 - Maximum permissible sulphur content in steel is ______________ percent ?
A. 0.015
B. 0.055
C. 0.505
D. 0.805 - Maximum permissible air velocity in pipelines is about ______________ metre/second ?
A. 5
B. 10
C. 20
D. 40 - Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?
A. Sinter
B. Coke
C. Iron ore
D. Limestone - In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) ?
A. t = 15 – 0.0065 h
B. t = 15 + 0.0065 h
C. t = 0.0035 h – 15
D. t = 15 – 0.0035 h - Name the safety device used to protect the boiler, when the water level falls below a minimum level ?
A. Blow down valve
B. Blow off cock
C. Fusible plug
D. Safety valve - In case of a, centrifugal pump, the ratio h1/h2 is termed as the _____________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller)?
A. Mechanical
B. Overall
C. Volumetric
D. Impeller - According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to _______________ times the yield stress ?
A. 0.5
B. 2
C. √2
D. √3/2 - What is the value of included angle of a triangular notch for maximum discharge ?
A. 30°
B. 60°
C. 90°
D. 120°
