A. Without melting the base metal
B. With a non-ferrous filler
C. Both A. & B.
D. Neither A. nor (B)
Related Mcqs:
- Brazing filler metal used for joining steel plates_________________?
A. Melts below the melting points of base metals
B. Melts below 300°C
C. Is copper phosphorous alloy
D. Is copper - ______________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently ?
A. Collar
B. Flanged
C. Bell and Spigot
D. Expansion - Metal shots used in shot blasting are made of ______________________?
A. Stellite
B. Steel
C. Bronze
D. Lead - High speed steel tools retain their hardness upto a temperature of __________________ °C?
A. 500
B. 750
C. 900
D. 1100 - Chromium molybdenum steel cannot be welded using ______________ welding ?
A. Thermit
B. Electrical resistance
C. Oxy-acetylene
D. Any of these - Which of the following rays has the least wavelength ?
A. Ultraviolet rays
B. Infrared rays
C. Cosmic rays
D. X-rays - In extrusion of metals, which of the following statement is true ?
A. Speed of the extruded material is same as that of ram speed
B. Redundant work is a function of the die angle
C. Relative motion between the billet surface and the container wall is always present
D. Hollow ram is used for indirect extrusion - In a neutral solution__________________?
A. H+ ions are absent
B. OH- ions are absent
C. Both H+ and OH- ions are present in very small but equal concentration
D. None of these - Which of the following commonly used condenser tube materials has the lowest thermal conductivity ?
A. Admiralty brass
B. Stainless steel
C. Aluminium brass
D. Titanium - The type of pump used for lifting large quantity of sewage is a _________________ pump ?
A. Gear
B. Centrifugal
C. Reciprocating
D. Plunger
