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