Answer Happy

no calculation is needed just the answer a b c d
Question 2 Not yet answered The maximum pressure ratio is given by (y is the specific heat ratio) Marked out of 5.00 Flag question O a. (Tmin/Tmax)^((Y-1)/y) O b. (Tmin/Tmax)^(v/(x+1)) O c. (Tmax/Tmin)(y-)/) O d. (Tmax/Tmin) (y/(x-1)|| Question 3 What is the effect of increase in pressure at which heat is added on the pump work in th Rankine cycle? Not yet answered Marked out of 5.00 Select one: O the pump work decreases with increase in pressure of heat addition O the pump work does not change with increase in pressure of heat addition P Flag question o the pump work either increases or decreases with increase in pressure of heat addition the pump work increases with increase in pressure of heat addition Ouestion 4 Which among the following has the lowest efficiency than the others, when they are operated between same pressures?! Not yet answered Marked out of 5.00 Select one: o Ideal Rankine cycle Flag question Ideal Rankine cycle with reheat o Carnot cycle None. All of the above have same efficiency
Question 5 The spark plug fires shortly before the stroke, Not yet answered O a. intake Marked out of 5.00 O b. compression F Flag question Ос. expansion O d. exhaust Question 6 The correct sequence of strokes in a four-stroke SI engine is Not yet answered O a. intake->expansion->compression-sexhaust Marked out of 5.00 O b. intake->compression->expansion->exhaust Flag question O c. intake->compression->exhaust->expansion O d. intake->exhaust->compression->expansion
Question 7 The below diagram is the T-s diagram of the Rankine cycle with reheat. Which process represents the reheat? Not yet answered Marked out of 5.00 2 2" P Flag question 2 4 3' 3 T-s Diagram of Rankine Cycle with Reheat Select one O process 2 2 process 2 - 3 . o process 22 e process 1 - 2 Question 8 As the pressure ratio increases the efficiency steadily Not yet answered Оа. remains constant Marked out of 5.00 b. increases Flag question oc decreases od none of the mentioned
Question 9 What is the effect of reheat on the net work output of the steam power plant? Not yet answered Marked out of 5.00 Select one: O the net work output of the steam power plant increases O the net work output of the steam power plant does not affected by the reheat P Flag question O cannot say O the net work output of the steam power plant decreases with reheat because of the increase in heat addition