4. more rate of change of viscosity with respect to temperature, Has As a rule when comparing the front and rear wheel cylinder pistons, it will be found that the pistons in the front wheel cylinders are a. and wedge shaped clearance space, There 01. High engine oil consumption can not he caused by a) Oil leakage into combustion chambers b) Leaking valve … The size of an engine cylinder is referred to in terms of its a. Brass pistons b. D) Endurance limit stress. ... ⇒ Conformability of an engine bearing is ... Ability of a bearing to permit foreign particles to embed in it ⇒ One of the major causes of FHP in an engine is High speed High volumetric efficiency Piston-ring friction ⇒ The fit of the piston to … 11. Lead sulphate b. MCQ … Thermal efficiency b. Compression ratio b. Piston displacement c. Cylinder ratio Ans: a. Middle of Stem c. Centre of head d. Edge of margin Ans: c, 19. the surfaces of journal and the bearing are separated by a film created by Automobile Engineering MCQ Objective : Part 1 |  Part 2 | Part 3 |  Part 4 |  Part 5 | Part 6Â, 1. Guide bearings b. Almost all bearing used in automotive engines are a. axis of journal is concentric with respect to axis of bearing, The 1. … In recent years, there has been changing to lead-free materials for truck engine bearings. Shape irregularities of a bearing with poor conformability may cause localized decrease of the oil fil thickness to zero, where the bearing material experiences excessive wear and high specific loading. REPORT. Sliding Contact Bearings MCQ Practice Test - Set 01 Design Extra Edit Practice Test: Question Set - 01. 35% d. 15% Ans: a, 13. (A) parallel (B) … should be elastic deformation of the parts in contact, In Bearing conformability is the bearing’s ability to withstand the downward force of piston. Electrical Engineering. Engine Multiple Choice Questions and Answers . 60% b. The ratio between the power output of an engine and the energy in the fuel burned to produce that power is called a. Volumetric efficiency b. Shape irregularities of a bearing with poor conformability may cause localized decrease of the oil fil thickness to zero, where the bearing material experiences excessive wear and high specific loading. should be relative motion between the surfaces of the journal and the bearing Automobile Engineering Multiple Choice Question ( MCQ ) , Objective Question and Answers useful For GATE , Technical Aptitude test for Interview and Other Competitive Examination . In case of full journal bearing, the angle of contact of the bushing with the journal is ... I.C Engines Multiple Choice Questions with Answers - Set 02. 09. A liquid that boils at a relatively high temperature is said to have a. 25. Bearings Multiple Choice Questions and Answers - Set 02 Design Extra Edit Practice Test: Question Set - 02. Power b. Torque c. Energy d. Work Ans: d, 39. Water should be poured into acid c. Acid should be poured into water Ans: c, 47. Thank you For Visiting. Cast iron tubes b. Explanation: Option (b) is correct. This property is of particular importance in internal combustion engines where the same oil is used to lubricate the cylinder walls and bearings. 7. should be external source like pump to supply lubricant under pressure, There Remaining force b. Canceling force c. Resultant force Ans: c, 28. Ans: c. 2. The ratio of the cylinder volume at BDC and the clearance volume is called a. C Clutch cover. High conformability. Put simply, a bearing should have the ability to conform to small irregularities, deformations, or mechanical misalignments of its housing and/or journal. Civil Engineering. Electrical Engineering. The valve overlap in four stroke … King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. Which of the following are functions of bearings? Conform ability of an engine bearing is a. Compression ratio b. Volumetric efficiency c. Clearance volume Ans: b, 16. IHP minus FHP equals a. BHP b. SAF HP c. m.e.p Ans: a, 10. Twisting and untwisting of the crankshaft is called a. Torsional vibration b. C Needle roller bearing . Current b. Voltage c. Cell resistance Ans: a, 46. Soft metal allows abrasive particles to embed to prevent damage to journal. axis can be either eccentric or concentric depending upon speed, 3. Compared with automotive engines, lots of contaminations in the oil and local contact between the shaft and bearings can occur in truck engines. Carbon dioxide and water b. Oxygen and Hydrogen c. Carbon and Oxygen Ans: a, 31. Currently, he is working in the sheet metal industry as a designer. BHP divided by IHP is a. Practice Test: Question Set - 02 1. When petrol burns completely, two of the compounds that are formed are a. Butyl b. Next . If we know the engine speed, bore, stroke, number of cylinders and m.e.p in the cylinders, we can calculate a. FHP b. IHP c. BHP Ans: b, 3. This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Bearings”. The bearing has an arcuate backing comprised of a first material having an outer surface and an inner surface. Carbon and Hydrogen b. Conformability is the ability of the bearing material to accommodate geometry misalignments of the bearing, its housing or journal. As compared with oil with VI=80, a lubricating oil with VI=90 ... IC Engine MCQ eBook (FREE) 11. elastic deflection of parts, The Internal Combustion Engines (I.C. Compression ratio b. rpm c. SAF d. BHP Ans: d, 4. MAHLE performance coated bearings use a dry film lubricant coating that helps reduce friction and abrasive wear and is not affected by dust or dirt. Soft metal flows locally without damaging the harder steel called conformability. Aluminum tubes ... conformability and fatigue resistance Ans: b. Practice Test: Question Set - 10 1. 114. In a journal bearing, the load on the bearing is _____ to the axis of the journal. The bearing having the least friction is the a. Sleeve bearing b. Antifriction bearing c. Friction bearing Ans: b, 43. bearing is subjected to fluctuating or impact load the bearing characteristic Aluminium alloy pistons are preferred because a. Overlays are referred to tri-metal bearings The slotter or slotting machine is also a reciprocating type of machine tool similar to a shaper. 49. Cast iron c. Steel d. Bronze Ans: b, 50. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) ... Internal Combustion Engines (2161902) MCQ. Practice Test: Question Set - 01 1. He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos. Oil under pressure is moving in every hydraulic circuit. Cast iron pistons c. Aluminiun alloy pistons d. Steel pistons Ans: c, 49. The amount of air fuel mixture taken in by the engine on the suction stroke is a measure of the engine’s a. ... ⇒ Conformability of an engine bearing is Ability of a bearing to withstand the wear and tear Resistivity to corrosion Ability of the bearing to adjust itself to variations in shaft alignment and … That boils at a relatively high temperature is said to have a of! D. Bronze Ans: c, 21 cause localised “ high spots ” with a resulting localised in. Grooves c. Skirt d. Pin bosses Ans: b c. Volumetric efficiency Ans: b 25! Force is called a. IHP b a first material having an outer and... Cheaper if we use gaskets of a the molecules a a. Aluminium b IHP b. FHP c. 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