Metal Cutting MCQ QuestionsI Metal Cutting MCQ Test-Mechanicaltalks February 7, 2022February 7, 2022 by Randeep Paramanik 0 Created on February 07, 2022 By randeep paramanik Metal cutting set 1 Welcome to the Mega Quiz competition for every mechanical engineering examination. This quiz program is completely different from other quizzes you have given so far. Here each and every mechanical engineering subject questions are given topic by topic. 1 / 25 Angle between side cutting edge and axis of tool is known as: Side cutting edge angle Back rake angle Side rake angle Side relief angle 2 / 25 With an increase in side cutting edge angle keeping width of cut constant, depth of cut will Decrease First increase then decrease Increase Remains constant 3 / 25 Negative back rake angle is given for machining of: Soft and ductile material Ductile material Brittle and hard material Soft material 4 / 25 Crater wear occurs at Tool flank None of the mentioned Tool face Tool shank 5 / 25 With an increase in lip angle keeping side rake angle constant, strength of tool. None of the mentioned Increases Decreases Remains constant 6 / 25 Angle between the rake face flank of tool and perpendicular line drawn from cutting point to base of tool is known as: Side relief angle End relief angle Side rake angle Back rake angle 7 / 25 For large negative back rake angle, tool will be Weaker Stronger Harder Smoother 8 / 25 What is the optimum value of side cutting edge in degrees for maximum tool life? 30 22 25 20 9 / 25 Angle between end cutting edge and axis of tool is known as: Back rake angle Side relief angle End cutting edge angle Side rake angle 10 / 25 What is the optimum value of positive rake angle in degrees for maximum tool life? 10 20 12 15 11 / 25 Which of the following will give better chip flow? None of the mentioned Negative back rake angle tool Positive back rake angle tool Zero back rake angle tool 12 / 25 For machining of carbide material which of the following tool will be preferred? Large negative rake angle tools Small point angle tools Large positive rake angle tools Zero rake angle tools 13 / 25 Mechanical chipping may occur in which of the following tool? HSS tool Mild Steel tool Diamond tool None of the mentioned 14 / 25 Which of the following material can be used for coating on tools? cBN (cubic boron nitride) TiCN (Titanium Carbo-Nitride) WC (tungsten carbide) HSS (high speed steel) 15 / 25 Positive rake angle is given for machining of: Ductile material Brittle material Both hard and soft material None of the mentioned 16 / 25 Which of the following tools is most suitable for very hard and brittle material? Carbides HSS Cast-cobalt alloy None of the mentioned 17 / 25 Which of the following will give large friction during chip flow? Positive back rake angle tool Small lip angle tool Zero back rake angle tool Negative back rake angle tool 18 / 25 Angle between side cutting edge and end cutting edge in the top surface plane of tool. Side relief angle Side cutting edge angle Side rake angle Nose angle 19 / 25 Which of the following is correct about crater wear? None of the mentioned Occurs more in soft tool Occurs more hard tool Occurs more in brittle tool 20 / 25 For large positive back rake angle, tool will be Smoother Harder Weaker Stronger 21 / 25 Flank wear occurs at Tool flank below cutting edge Tool shank Tool face None of the mentioned 22 / 25 Angle between the rake face and plane perpendicular to rake face is known as: Side rake angle Side relief angle Back rake angle End relief angle 23 / 25 If a percentage of cobalt in Tungsten carbide tool increases, then toughness of tool will Decrease First increase then decrease Remains Constant Increase 24 / 25 Which of the following will give maximum chip flow during machining? All of the mentioned Hard material Brittle material Ductile material 25 / 25 High speed steels are most suitable for High Positive rake angle tools None of the mentioned Zero Rake angle tools High Negative rake angle tools Your score isThe average score is 0% LinkedIn Facebook VKontakte 0% Restart quiz Related Spread the love
