Plate and frame filter press is usually made of__________________?
A. Mild steel
B. Cast iron
C. Stainless steel
D. Galvanised iron
Materials and Construction
Nickel is a constituent of ________________________?
Nickel is a constituent of ________________________?
A. Bronze
B. Solder
C. Duralumin
D. Monel metal
Platinum and silver are corroded by___________________?
Platinum and silver are corroded by___________________?
A. Caustic soda solution
B. Phosphoric acid
C. Sulphuric acid (10%)
D. None of these
Valves in pipe size of 2″ and under are normally made of_______________________?
Valves in pipe size of 2″ and under are normally made of_______________________?
A. Wrought iron
B. Brass
C. Bronze
D. Monel
Wood metal is not used for making___________________?
Wood metal is not used for making___________________?
A. Soft solder
B. Casting for dental work
C. Storage tank for storing brine and caustic soda
D. Fusible safety plug for pressure cooker
Nickel (76%) and chromium (15%) alloys are termed as______________________?
Nickel (76%) and chromium (15%) alloys are termed as______________________?
A. Inconel
B. Monel
C. Aluminium bronzes
D. Brass
Babbitt metal is not a___________________________?
Babbitt metal is not a___________________________?
A. Tin base alloy
B. White metal
C. Lead base alloy
D. Pure metal
Which of the following stainless steels is non-magnetic ?
Which of the following stainless steels is non-magnetic ?
A. Ferritic
B. Martenistic
C. Austenitic
D. None of these
Photographic plates are coated with_________________?
Photographic plates are coated with_________________?
A. Silver nitrate
B. Silver halide
C. Calcium silicate
D. Metallic silver
Presence of 0.3 to 0.5% arsenic in copper increases its____________________?
Presence of 0.3 to 0.5% arsenic in copper increases its____________________?
A. Ductility
B. Malleability
C. Tenacity & hardness
D. Electrical conductivity