A. 30°
B. 60°
C. 90°
D. 120°
Related Mcqs:
- The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be_______________?
A. Parabolic
B. Hyperbolic
C. Straight line
D. None of these - 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 - Which of the following does not discharge the dust collected as a dry solid?
A. Electrostatic precipitator
B. Wet scrubber
C. Bag filter
D. Gravity settling chamber - As per international norms, the maximum permissible value of noise level in the industrial environment is _____________ decibels as measured at a distance of 1.5 meters from the source of noise?
A. 110
B. 85
C. 60
D. 45 - When the wavelength of incident X-rays increases, the angle of diffraction__________________?
A. Decreases
B. Increases
C. Remain constant
D. Shows no systematic variation - The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively __________________?
A. 7 and 30
B. 10 and 50
C. 2 and 50
D. 13 and 55 - Maximum permissible sulphur content in steel is ______________ percent ?
A. 0.015
B. 0.055
C. 0.505
D. 0.805 - One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is____________________?
A. 100
B. 900
C. 9000
D. 10000 - Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?
A. Steel
B. Glass wood
C. Copper
D. Fireclay bricks - Out of the following substances, one ton of ______________ will store the maximum heat for a rise of 30°C in temperature ?
A. Steel
B. Lignite
C. Water
D. Lime stone
