Correct answer
A. platinum-platinum/rhodium thermocouple
Explanation
The correct answer is platinum-platinum/rhodium thermocouple.
Critical speed of rotation, N (in rps – rotation per second) of a trammel is equal to (where, g = acceleration due to gravity = 9.81 m/sec2 and, r = radius of trammel, metre.)?
Which of the following is not categorised as a “mechanical operation”?
Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by________?
Holes of a sieve tray are arranged in triangular pitch of ________ times the hole diameter?
Ability of a material to absorb energy in deformation in the plastic range is characterised as its________?
Because of its very high refractoriness of the order of ________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns?