Silicon percentage in silicon steel used for electrical equipments is about______________?
Silicon percentage in silicon steel used for electrical equipments is about______________? A. 1B. 4.0 C. 8 D. 14
Silicon percentage in silicon steel used for electrical equipments is about______________? A. 1B. 4.0 C. 8 D. 14
Babbitt lining is used on brass/bronze bearings to increase the____________________? A. Antifriction properties B. Compressive strength C. Bearing resistanceD. Wear resistance
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___________________? A. Made of glass fibre and thermoplastic resins B. Anisotropic C. Made of thermosetting resin and glass fibreD. Both ‘B’ & ‘C’
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ? A. Vickers hardness testB. Shore scleroscope test C. Brinell hardness test D. Rockwell hardness test
Which of the following approaches the ideal gas behavior most closely ? A. Wet steam B. Saturated steamC. Superheated steam D. Saturated water
Normalising does not _____________________ of a metal? A. Improve machinability & tensile strengthB. Remove internal stresses C. Refine the structure D. Remove strains caused by cold working
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 _________________? A. Weaker in tension but stronger in shear B. Weaker in shear but stronger in tension C. Stronger in both shear and tensionD. The lap joints…
Water flow in the river during flood can be categorized as the _________________ flow ? A. Unsteady uniformB. Unsteady non-uniform C. Steady uniform D. Steady non-uniform