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Mechanical Engineering
Design a right angled bell crank lever. The horizontal arm is 500 mm long & a load of 5 kN
acts vertically through a pin in the forked end of this arm. The other arm is 150 mm long. The
lever consists of forged steel material and a pin at the fulcrum. Take the following data for
both pin & lever material: Allowable tensile stress = 75 N/mm2
; Allowable bearing pressure
in pins = 10 MPa; Allowable shear stress = 70 N/mm2
.
acts vertically through a pin in the forked end of this arm. The other arm is 150 mm long. The
lever consists of forged steel material and a pin at the fulcrum. Take the following data for
both pin & lever material: Allowable tensile stress = 75 N/mm2
; Allowable bearing pressure
in pins = 10 MPa; Allowable shear stress = 70 N/mm2
.
Mechanical Engineering
Design a socket and spigot type cotter joint to withstand a reciprocating load of 50 kN.
Material: MS; Allowable tensile stress = 80 N/mm2
; Allowable compressive stress = 100
N/mm2
;Allowable shear stress = 50 N/mm2
.
Material: MS; Allowable tensile stress = 80 N/mm2
; Allowable compressive stress = 100
N/mm2
;Allowable shear stress = 50 N/mm2
.
Mechanical Engineering
roller bearings are produced by __________ process a) casting b) forging c) powder metallurgy d) rolling
Mechanical Engineering
Let X ∼ Bin(n, p). Find E(e tX) where t is a constant. (Show your working)
Mechanical Engineering
Water enters the heater with 25 degree Celsius and leaves at 78 degree Celsius. The temperature change is Answer degree Fahrenheit.?
Mechanical Engineering
An amount of water vapor with x = 0.7, occupies a volume of 0.197 m3 at a pressure of 1.4 MPa. If the pressure is kept constant, determine the heat that enters the system to make the steam exactly in a dry saturation state (x = 1, meaning it's all gaseous) and the heat we put into this system is seen as work. If now the volume is kept constant while heat is removed until the pressure drops to 1.25 MPa, then determine the dryness fraction (x) and the heat extracted from the water vapor.
Mechanical Engineering
Let X ∼ Bin(n, p). Find E(etX ) where t is a constant.
(Show your working)
(Show your working)
Mechanical Engineering
1. Lelentle has purchased 10 of the 1000 tickets sold in a raffle. To determine the 5 prize winners, 5 tickets are drawn at random. Compute the probability that Lelentle will win at least 1 prize.
Mechanical Engineering
An amount of water vapor with x = 0.7, occupies a volume of 0.197 m3 at a pressure of 1.4 MPa. If the pressure is kept constant, determine the heat that enters the system to make the steam exactly in a dry saturation state (x = 1, meaning it's all gaseous) and the heat we put into this system is seen as work. If now the volume is kept constant while heat is removed until the pressure drops to 1.25 MPa, then determine the dryness fraction (x) and the heat extracted from the water vapor.
Mechanical Engineering
A vessel with a volume of 0.03 m3 contains saturated vapor at a pressure of 17 bar. Determine the mass of the vapor and having found the mass value, determine the enthalpy value
? and also explain why X (quality) = 1
? and also explain why X (quality) = 1
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#339914 on Dec 2023
#339914 on Dec 2023