The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the___________________?
(A) Final control element
(B) On-off control
(C) Floating control action
(D) None of these
Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of_____________________?
(A) 90% tungsten carbide and 10% cobalt
(B) 70% aluminium oxide & 30% silica
(C) 30% nickel, 15% chromium & 55% tungsten
(D) 65% tungsten & 35% zirconium
Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
(A) Wood’s metal
(B) Babbitt metal
(C) Monel metal
(D) Duralumin
Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be_____________________?
(A) 5
(B) 1.25
(C) 2.5
(D) 3.75
Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of_________________?
(A) Lumps
(B) Pellets
(C) Briquettes
(D) Sinter
Cementite is in the lamellar form in the _____________________ phase of steel ?
(A) Martenistic
(B) Bainitic
(C) Pearlitic
(D) Ferritic
Wavelength of radiation emitted by a body depends on the ________________ of its surface?
(A) Temperature
(B) Area
(C) Nature
(D) All ‘A’, ‘B’ & ‘C’
Which of the following metals is the most prone to work hardening ?
(A) Brass
(B) Aluminium
(C) Copper
(D) Lead
Working of linear variable differential transducer (LVDT) is based on the principle of variable_____________________?
(A) Capacitance
(B) Resistance
(C) Mutual inductance
(D) None of these
The dimensional formula of bulk modulus of elasticity is same as that of the ____________________?
(A) Pressure
(B) Density
(C) Force
(D) None of these