Answer:
(a) 148.148 lb/ft^2
(b) 62.245 ft/s
Explanation:
In this question, we are asked to calculate the divergence dynamic pressure at sea level and the divergence airspeed at sea level of a torsionally elastic wind tunnel of model of uniform wing.
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Answer:
Poisson’s ratio = 0.36
Explanation:
Given that
Diameter ,d= 10 mm
Force ,F= 15000 N
Reduction in diameter ,Δd = -7 x 10⁻³ mm
E= 100 GPa
Longitudinal strain
Lateral strain
μ= 0.36
Poisson’s ratio = 0.36
Answer:
C. Multipoint fuel injection
Explanation:
A fuel injection system can be defined as a system found in the engine of most automobile cars, used for the supply of a precise amount of fuel or fuel-air mixture to the cylinders in an internal combustion engine through the use of an injector.
There are different types of fuel injection system and these includes;
I. Central-point injection.
II. Throttle (single point) body injection.
III. Gasoline direct injection.
IV. Multipoint (port) fuel injection.
Multipoint fuel injection is a type of fuel injection system that operates with fuel injectors located only in the intake manifold near each intake valve and sprays fuel toward the valve. As a result, it allows for the supply of a precise amount of fuel and as such creating a better air-fuel ratio for automobile cars.