An air standard otto cycle has a compression ratio of 6 and the temperature and pressure at the beginning of the compression process is 520 r and 14.2 psia. the heat addition per unit mass is 600 btu/lbm. determine
(a) the maximum temperature, in r,
(b) the maximum pressure, psia,
(c) the thermal efficiency
(d) the mean effective pressure, mep, in psia.

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation