Chemical Engineering Basics - Study Mode
[#466] Cementite is in the lamellar form in the __________ phase of steel.
Correct Answer
(C) Pearlitic
[#467] Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
Correct Answer
(A) Volume
[#468] The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the
Correct Answer
(A) Final control element
[#469] Which of the following is a weak acid?
Correct Answer
(A) HF
[#470] The 'laughing gas' is
Correct Answer
(A) Nitrous oxide