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