A. diffuses all the thermal rays in the different directions
B. absorbs all the thermal rays
C. negligible absorptivity but high reflectivity
D.Allows all the incident radiation to pass through it
Continue reading “The diathermous body is one that ______________?”
A.Tin, antimony and copper
B.Tin and copper
C.Tin and lead
D.Lead and copper
E.Copper and aluminium
Continue reading “Solder is an alloy consisting of _________________?”
A.Deam mild steel
B.Mild steel
C.Medium carbon steel
D.High carbon steel
E.Alloys steel containing 0.8 to 0.9% carbon
Continue reading “Railway rails are generally made of __________________?”
A.increases thermal efficiency
B.decreases thermal efficiency
C.doesoes not affect thermal efficiency
D.none of the above
Continue reading “In a two stage gas turbine plant reheating after first stage_____________?”
A. Man machine chart
B. Flow process chart
C. Operation process chart
D. Gantt chart
Continue reading “Which of the following chart is not used in work study ?”
A.NaPbO2
B.Na2PbO
C.Na2PbO2
D.Na4PbO
Continue reading “Sodium plumbite has the chemical formula____________?”
A. Is a function of the temperature limits
B. Can vary from zero to infinite
C. Both Aand B
D. Neither a nor b
A.Butt joints
B.Lap joints
C.Revised joints for dissimilar materials
D.Riveted joints for materials of different thickness
E.None of the above
Continue reading “Diamond riveting is generally used for____________?”
A.Measurement of load
B.Measurement of shear strain
C.Measurement of resilience
D.Measurement of proof stress
E.Measurement of longitudinal strains Continue reading “Strain rosettes are generally used for______________?”
A.pressed and slush casting
B.slush and gravity casting
C.gravity and semi permanent mould casting
D.none of the above
Continue reading “The methods of casting for producing ornamental pieces are ____________?”
