19_1_2020
Engineering Fundamentals Quiz
Test your knowledge with our Engineering Fundamentals Quiz! This quiz consists of 10 challenging questions that cover various topics in engineering, mechanics, and thermodynamics.
Participate to enhance your understanding of:
- Materials and Mechanics
- Heat Transfer Principles
- Electrical Components and Circuits
- Fluid Dynamics
In a Formula Student Track where the number of brake applications is very high, the mechanical engineer of the team is more luckily to use ___________ type as car’s brake fluid.
DOT 3
DOT 2
DOT 4
Strain Energy is
Energy stored in a body when strained within elastic limits
Energy stored in a body when strained upto the breaking of a specimen
Maximum strain energy which can be stored in a body
Proof resilience per unit volume of a material
Which of the following configurations can form an AND Gate?
A NAND Gate with an Inverter in the output
One XOR Gate plus and OR Gate
Switches in parallel configuration
Open collector Comparators
Switches in series
There is steel beam with 120mm breadth and 750mm height.It is loaded as shown in the figure. Consider the properties of steel as given by the FSG Rules 2020 perT.3.2.4 The beam is subjected to a maximum bending moment of :
3375.5 kN
6750.25 kN
4550.5 kN
3656.25 kN
In the following array of bodies the heat transfer coefficient of A is kA=0,17 W/mK , of B is kB=0,038 W/mk and of Γ is kΓ=0,12. The area of the bodies is 350 m^2 and the convection coefficient between A and the air is αin = 30W/m^2K and between Γ and the air is αout=60W/m^2K. If θin=20 C and θout=-15 C, what are the heat losses?
Q= 4213,866 W
Q= 4,3 KW
Q=3856,734 W
Q=3,8 KW
With rising percentage content of carbon in steel the following properties change accordingly:
Becomes more ductile
Is easier to cast
Reduces joinability
Has great hardness when tempered
A F-16 viper is cruising with a speed of 2173 km/h, while it’s engines impulse is 127kN. The air density is 1,225 kg/m^3 and its wing area is 27.87m^2. What is the coefficient of drag of the aircraft. Consider the flow to be incompressible.
0,0345
2,789 10^-2
2,042 10^-2
0,0196
Two bodies with masses m = 1kg, M = 10kg, are place on a horizontal plane as shown above. A force F = 0.2t (S.I.) is applied to body M. The coefficient of static friction is μs = 0.2 and the coefficient of dynamic friction is μk = 0.15, between all surfaces. The two bodies are moving at different speeds at:
T = 107.80s
T = 153.43s
T = 190.67s
T = 191.91s
None of the above
A capacitor is connected to a source and gets charged. The potential at plate A is 50V and at plate B is -50V. If we disconnect the capacitor from the source and connect only plate B to ground, which of the following are true:
The charge of the capacitor remains constant.
The voltage across the capacitor changes.
The voltage across the capacitor does not change.
The capacitance changes.
The potentials at each plate of the capacitor remain the same.
I’ d rather not say.
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