Mechanical seals are used
A.To prevent vibrations
B.To prevent leakage
C.To reduce friction
D.To balance the equipment
E.None of the above
A.To prevent vibrations
B.To prevent leakage
C.To reduce friction
D.To balance the equipment
E.None of the above
A.Used by masters
B.Used by all mechanics
C.A standard gauge for checking accuracy of gauges used on shop floors
D.A gauge used by experienced technician
E.None of above
A.Arc welding
B.Thermit welding
C.MIG
D.TIG
E.Gas welding
A.A non-destructive inspection technique that makes use of magnetic field and magnetic particles to locate flaw in materials
B.An instrument using ultrasonic techniques for crack detection
C.An instrument used for inspection of weldings
D.An instrument used for precision measurements using magnetism and flux density
E.Intensity of X-rays required corresponding to thickness of a job for determination of defects.
A.Photo-cell
B.Photo-emission
C.Photo-voltaic cell
D.Photo-conductive cell
E.None of the above
A.Between 0.05 to 0.6 percent
B.Between 0.6 to 1.3 percent
C.Between 1.3 to 1.7 percent
D.More than 1.7 percent
A.An operation of cutting extra wide threads
B.An operation of cutting a groove next to a shoulder on a piece of work
C.Cutting from the base of a work piece
D.An operation of cutting deep grooves
E.None of above
A.10 – 15?
B.15 – 25?
C.25 – 35?
D.5 – 10?
E.Less than 50?
A.Oxygen cylinder
B.Aetylene cylinders
C.Equal in both cylinders
A.Normalizing
B.Annealing
C.Tumbling
D.Strain drawing
E.Cyniding