Which of the following statement is correct?
(a) The power absorbed in operating the piston valve is less than D-slide valve.
(b) The wear of the piston valve is less than the wear of the D-slide valve.
(c) The D-slide valve is also called outside admission valve.
(d) all of the mentioned
I got this question in semester exam.
Question is from Steam Engine Valves and Reversing Gears in division Steam Engine Valves and Reversing Gears of Machine Dynamics