⚙️Mechanical Engineering MCQs
Mechanical Engineering MCQs
488 MCQs481
Which of the following are used in diesel engines and oil fired boilers :
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
AParaffin
BGasoline
CHeavy fuel oils
DPatrol
482
The hydraulic turbines are also known as : ___________?
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
Asteam turbines
Bwater turbines
Ccombustion turbines
DGas turbines
483
Which of the following is mostly used used as blast furnace fuel for extracting pig iron from iron ores?
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
ABrown coal
BAnthracite coal
CHard coke
DWoodchar coal
484
Which of the following solid fuel has high carbon content?
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
ACoke
BCoal
CPeat
DNone of these
485
Which of the following solid fuel has high caloric value : ___________?
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
AWood
BPeat
CBituminous coal
DAnthracite coal
486
The average calorific value of wood is about : __________?
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
A33500 kj/kg
B25000 kj/kg
C23000 kj/kg
D19700 kj/kg
487
The natural solid fuels are : ________?
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
AWood
BPeat
CLignite
DAll of above
488
The efficiency of the ideal diesel cycle is ________ than that of Otto cycle, for the same compression ratio
⚙️Mechanical EngineeringBy: Faheem Zaman Dhaunroo
AHigher
BLower
CEqual
DNone of these