02/ Choose the correct answer from below1- With an increase of the number of cylinders in a multi cylinder engine the power to weight ratio(a) Decreases. (b) Increases. (c) Remains unaffected. (d) None of the mentioned.2- Maximum torque is generated by an engine when(a) it runs at lowest speed (b) it develops maximum power(c) it consumes maximum fuel (d) it runs at maximum speed3- The brake power (B.P.) of the engine is given by (where W Brake load or dead load in newtons, L Lengthof am in meters, N= Speed of engine in r.p.m., S Spring balance reading in newtons, D Dia. of brake drumin meters, and d Dia. of rope in meters).a) B.P (WL x 2aNV60 watts b) B.P = [(W- S) nDNJ/60 wattsc) B.P [(W-S) a (D+d) NJ/60 watts4- It is assumed that all the processes of an air standard cycle are(a) Reversible.5- The volumetric efficiency of a well-designed engine may be.(a) 30 to 40%d) All of these.(b) Irreversible.(c) Adiabatic.(d) Isothermal.(b) 40 to 60%.(c) 60 to 70% (d) 75 to 90%.

02/ Choose the correct answer from below 1- With an increase of the number of cylinders in a multi cylinder engine the power to weight ratio (a) Decreases. (b) Increases. (c) Remains unaffected. (d) None of the mentioned. 2- Maximum torque is generated by an engine when (a) it runs at lowest speed (b) it develops maximum power (c) it consumes maximum fuel (d) it runs at maximum speed 3- The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, L Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d= Dia. of rope in meters). a) B.P (WL x 2aNV60 watts b) B.P [(W-S) aDNJ/60 watts c) B.P [(W-S)x (D+d) NJ/60 watts 4-It is assumed that all the processes of an air standard cycle are (a) Reversible. (b) Irreversible. (c) Adiabatic. (d) Isothermal. 5- The volumetric efficiency of a well-designed engine may be. (a) 30 to 40%. (b) 40 to 60%. (c) 60 to 70% (d) 75 to 90%. d) All of these.

02/ Choose the correct answer from below 1- With an increase of the number of cylinders in a multi cylinder engine the power to weight ratio (a) Decreases. (b) Increases. (c) Remains unaffected. (d) None of the mentioned. 2- Maximum torque is generated by an engine when (a) it runs at lowest speed (b) it develops maximum power (c) it consumes maximum fuel (d) it runs at maximum speed 3- The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, L Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d= Dia. of rope in meters). a) B.P (WL x 2aNV60 watts b) B.P [(W-S) aDNJ/60 watts c) B.P [(W-S)x (D+d) NJ/60 watts 4-It is assumed that all the processes of an air standard cycle are (a) Reversible. (b) Irreversible. (c) Adiabatic. (d) Isothermal. 5- The volumetric efficiency of a well-designed engine may be. (a) 30 to 40%. (b) 40 to 60%. (c) 60 to 70% (d) 75 to 90%. d) All of these.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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