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A set of jobs A, B, C, D, E, F, G, H arrive at time t = 0 for processing on turning and grinding machines. Each job needs to be processed in sequence - first on the turning machine and second on the grinding machine, and the grinding must occur immediately after turning. The processing times of the jobs are given below. Job A B C D E F G H Turning (minutes) 2 4 8 9 7 6 5 10  Grinding (minutes)  6 1 3 7 9 5 2 4 If the makespan is to be minimized, then the optimal sequence in which these jobs must be processed on the turning and grinding machines is
Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.
Consider the following statements with reference to grinding wheel characteristics: 1. Aluminium oxide and silicon carbide are used for making the grinding wheels. 2. Rubber bonds are used for making flexible wheels 3. The grade of a wheel is determined by the strength of the bonding materials 4. Negative rake angles are used for grinding of high-strength materials Which of the above statements are correct?
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.
The following statements are made regarding the Open Circuit Test on the single-phase transformer: 1. It is performed on the LV side. 2. It is performed at rated current. 3. It helps in the calculation of equivalent leakage impedance. 4. It is performed on the HV side. 5. It is performed at rated voltage. 6. It gives magnetizing current and core loss. 7. It helps in the determination of voltage regulation. 8. It gives the turn ratio. From these, which statements are correct?
Consider the following statements about the doctrine of frustration:
1. Act has become impossible to be performed.
2. Act cannot be performed because of application of some law recently enacted.
3. Act cannot be performed because of the non-availability of raw material.
4. Act cannot be performed by defendant due to his accident.
Which of the statements given above are correct?
Taper boring and the under boring can be performed by______
Reaming and counter boring can be performed by______
What is suggested by the language and imagery in the following poem by Whitehead Hicky ? I hear them grinding , grinding through the night , The gaunt machines with arteries of fire, Muscled with iron, bowelled with smouldering light"