Silicon percentage in silicon steel used for electrical equipments is about______________?
Silicon percentage in silicon steel used for electrical equipments is about______________?
A. 1
B. 4.0
C. 8
D. 14
CHEMICAL ENGINEERING
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Babbitt lining is used on brass/bronze bearings to increase the____________________?
Babbitt lining is used on brass/bronze bearings to increase the____________________?A. Antifriction properties
B. Compressive strength
C. Bearing resistance
D. Wear resistance -
Window panes of aeroplanes are normally made of_____________________?
Window panes of aeroplanes are normally made of_____________________?A. Perspex (PMMA)
B. Teflon (PTFE)
C. Bakelite (phenol formaldehyde)
D. Polystyrene -
Fibre reinforced plastic (FRP) are___________________?
Fibre reinforced plastic (FRP) are___________________?A. Made of glass fibre and thermoplastic resins
B. Anisotropic
C. Made of thermosetting resin and glass fibre
D. Both ‘B’ & ‘C’ -
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?A. Vickers hardness test
B. Shore scleroscope test
C. Brinell hardness test
D. Rockwell hardness test -
Which of the following approaches the ideal gas behavior most closely ?
Which of the following approaches the ideal gas behavior most closely ?A. Wet steam
B. Saturated steam
C. Superheated steam
D. Saturated water -
Normalising does not _____________________ of a metal?
Normalising does not _____________________ of a metal?A. Improve machinability & tensile strength
B. Remove internal stresses
C. Refine the structure
D. Remove strains caused by cold working -
Gratings is associated with the measurement of____________________?
Gratings is associated with the measurement of____________________?A. Linear displacement
B. Concavity/convexity
C. Surface texture
D. Flatness -
Lap joints are preferred over butt joints in soldering/brazing, because these joints are _________________?
Lap joints are preferred over butt joints in soldering/brazing, because these joints are _________________?A. Weaker in tension but stronger in shear
B. Weaker in shear but stronger in tension
C. Stronger in both shear and tension
D. The lap joints are easily made -
Water flow in the river during flood can be categorized as the _________________ flow ?
Water flow in the river during flood can be categorized as the _________________ flow ?A. Unsteady uniform
B. Unsteady non-uniform
C. Steady uniform
D. Steady non-uniform