At low temperatures (say 75°C) the notched-bar impact value of steel____________________?

Related Mcqs:

Stress concentration is caused due to_____________________?

A. variation in properties of material from point to point in a member B. pitting at’points or areas at which loads on a member are applied C. abrupt change of section D. all of the above E. none of the above...

In nitrated parts, the origins of the fatigue cracks will occur at__________________?

A. surface B. just below the surface C. within the core D. could occur anywhere E. none of the above...

Taper usually provided on cotter is_________________?

A. 1 in 5 B. 1 in 10 C. 1 in 24 D. 1 in 40 E. 1 in 50...

Antifriction bearings are__________________?

A. sleeve bearings B. hydrodynamic bearings C. thin lubricated bearings D. ball and roller bearings E. none of the above...

In hydrodynamic bearings_____________________?

A. the oil film pressure is generated only by the rotation of the journal B. the oil film is maintained by supplying oil under pressure C. do not require external supply of lubricant D. grease is used for lubrication E. none of the above...