Discuss briefly as points the importance of Octane Number on the combustion process and engine performance for SI Engine

Q: What are the advantages and disadvantages of the Vernier caliper and screw gauge? Please discuss…

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Q: Find the the final velocity of car U=22 m/s a=3 m/s2

A: Given data : Acceleration is denoted by a Time is denoted by t Initial velocity is denoted by U…

Q: The 2 kg collar is released from rest at A and slides down the inclined fixed rod in the vertical…

A: Given data  Mass = 2kg Spring constant = 1.6 KN/m Coefficient of friction = 0.4 Compression of…

Q: 2. A compound bar consisting of bronze, aluminum, and steel segments is loaded axially as shown in…

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Q: If H is the work output of a heat engine and Q is the total heat input of an engine, then determine…

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Q: Why Dielectric flued is used in EDM ?

A: EDM - Electric discharge machiining. It is type of non traditional machining. Mechanism: Melting and…

Q: a) A 10g ball bearing sphere is made of a steel containing 2.0 wt% C. Suppose the ball is…

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Q: A water jet has a nozzle speed of 20 m/s. In what position will the jet reach the parabolic surface,…

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Q: 9. There are 9.5 lbs of brass with specific heat of 0.095 BTU/lbm-ºR at a temperature of 295ºF being…

A: Given    Mass of brass, mb = 9.5 lbs      Specific heat, Cb = 0.095 BTU/lbm-ºR    Mass of water, mw…

Q: If A = [1 2 3; 4 5 6; 7 8 9;0 0 0], then size(A)= * 44 O 34 O 33 O 43 O Other:

A: A=1 2 3; 4 5 6; 7 8 9; 0 0 0 Given matrix can be written as, A=123456789000 From this, we can…

Q: ᴡʜᴀᴛ ʟᴏᴀᴅ ɪɴ ɴ ᴍᴜꜱᴛ ʙᴇ ᴀᴘᴘʟɪᴇᴅ ᴛᴏ ᴀ 25 ᴍᴍ ʀᴏᴜɴᴅ ꜱᴛᴇᴇʟ ʙᴀʀ 2.5 ᴍ ʟᴏɴɢ (ᴇ = 207 ɢᴘᴀ. ᴛᴏ ꜱᴛʀᴇᴛᴄʜ ᴛʜᴇ…

A: givend=25mmL=2.5mE=207GPa=207×103 N/mm2∆=1.3mm=1.3×10-3 m

Q: Find the force acting in each of the members of the truss shown below. Remember to specify if each…

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Q: Question: A particle moves in the x-y plane with an x-component of velocity in meter per second…

A: Given data Vx=4√t ay= 4e^t When t=4, y=10, x=4 and Vx=10 Find the equation of path of the particle…

Q: True or False. 1. If a system is subjected to any cyclic transformation, the work produced in the…

A: Given question: TRUE or FALSE 1. If a system is subjected to any cyclic transformation, the work…

Q: A circular cylinder with inside diameter of 10 cm which carries a compressive force equivalent to…

A: As per our guidelines we are supposed to answer only one question in case of multiple questions…

Q: The aircraft is flying at a velocity of 50 m/s, at an altitude of 4500 m. Determine the lift/span…

A: Given data Velocity = 50m/sec Altitude =4500m Chord=3m Span=13 m Angle of attack = 4 deg, Find the…

Q: A syringe in the figure contains fluid of s.g. 1.05. If the plunger is pushed in steadily at 0.125…

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Q: A circular cylinder with inside diameter of 10 cm which carries a compressive force equivalent to…

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Q: Question 7 1 1 (t. s) In a perfectly elastic collision, momentum and kinetic energy of both…

A: as per the guideline i have to solve only  three question of yours

Q: Q2) The velocities of two collars before impact are shown in figure (2). If after impact the…

A: Mass of A, mA= 6 kgMass of B, mB= 4 kgVelocity of mass A before impact, VA= 10 m/sVelocity of mass B…

Q: A refrigeration system has a COP of 4.The compressor power is 30 kw.Find the mass of ice produced by…

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Q: At a power plant, superheated steam at 560°C  is used to drive a turbine for electricity generation.…

A: Given   Maximum temperature, Tmax = 560°C    Minimum temperature, Tmin = 38°C Find  Energy…

Q: What do we mean by "Pump Characteristics"? And how they are presented? And how can we select a pump…

A: INTRODUCTION: Positive displacement pumps and dynamic pumps are the two primary groups of pumps.…

Q: In an air standard Otto cycle, the clearance volume is 12 % of the displacement volume. What is the…

A: Given data Cycle: Otto Cycle Clearance Volume = 12 % of displacement volume.   We have to find the…

Q: Find the force acting in each of the members of the truss shown below. Remember to specify if each…

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Q: (b)show that: l(cosh at cos at) $3 st+4a4

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Q: b) What is the effect of adding the following elements (Ti, V, Mo, W, and Cr) to the Tools Alloy…

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Q: A figure below is a 200-mm diameter pulley which was attached on a 60-mm diameter shaft and it…

A: Given data Diameter of shaft = d  = 60 mmApplied Torque = T= 2200 Nm Allowable shearing stress = 70…

Q: Q. 3) Find resultant force and intersection of its line of action with Y-axis (i.e., Y intercept)…

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Q: The roof of an electrically heated home is 6 m long, 8 m wide, and 0.25 m thick, and is made of a…

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Q: The two 0.2kg sliders A and B move without friction around the horizontal circular slot. The sliders…

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Q: Completely solve and box the final answer. Please show the units to show the unit cancellations.…

A: Given data Dynamometer reading =143.3 lbArm length = 13.8" = 1.15 ftSpeed = 440 rpmTime of test = 14…

Q: An ideal gas refrigeration cycle using air as the working medium is to maintain a refrigerated space…

A: Given data  Lower temperature = 0°C Higher temperature = 80°C Find the coefficient of performace for…

Q: 3) An eccentric force P is applied as shown in Fig. 2 to a steel bar of 25 x 90-mm cross section.…

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Q: The two 0.2kg sliders A and B move without friction aound the horizontal circular slot. The sliders…

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Q: 1. Calculate the forces in all members of the truss shown using the method of joints. 10,000 lb B…

A: Find the force in each member using method of joints.

Q: 71 For the system shown, What is the flow direction? What kind of machine is at A? Do you think both…

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Q: In a process water at 30°C flows over a plate maintained at 10°C with a free stream velocity of 0.3…

A: Given data Temperature of water = T∞ =30°CTemperature of plate = Tw = 10°Cvelocity of flow of water…

Q: A steam power plant operates on the ideal Rankine cycle(dry steam at entry to the turbine) between a…

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Q: It is the vertical measurement from the center of the pipe to the maximum height that the water can…

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Q: Water is flowing in a conical tube. the inlet conditions are D=100mm, v=1m/s & density = 1000kg/m3.…

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Q: 5. Sketch the following function in frequency domain plot: i. Y(t) = 3 sin (4лt) + 4 cos (4 лt) ii.…

A: Given data i)  Y(t) = 3 sin (4πt) +  4 cos (4πt)ii) Y(t) = 12 sin (10πt) + 5 sin (20πt) +  sin…

Q: A 3ft-diameter semicircular channel have a flow rate of 90 ft3 /s when the channel is full,…

A: Given:d=3 ftQ=90 ft3/s

Q: What about v2 at theta = 90

A: In this problem, it is asking what will be the value of v2 when θ=90°.

Q: Find potential stored in ball of 0.5 kg raised to height of 10 m

A: Given data : Height=h Acceleration due to gravity=g Mass=m   Required : Potential energy

Q: 5. Find the current density for electrochemical machining nickel; 1. Round Through hole 2. Square…

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Q: fixed mass of a perfect gas with gamma = 1.4 is contained within an insulated cylinder by a moveable…

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Q: b) What is the final length of a 2 m long bar of copper, 0.01 m in diameter, stressed by a 500 kg…

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Q: 1. Within the region of positive moment, the elastic curve is concave __________ 2. There must be…

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Q: Find the stress Force=0.02 N Area 0.1 mm2

A: Given data : Force=F Cross sectional area=A   Required : Stress