a) Peter Durand b) Bryan Donkin c) Nicholas Appert d) Robert Yeates Answer: c Explanation: Nicholas Appert ...
View QuestionWhich of the following is the first man-made plastic?
a) Parkesine b) Nylon c) Teflon d) Polyvinyl Chloride Answer: a Explanation: Parkesine, also known as nitrocellulose ...
View QuestionWhen was retort pouch first developed?
a) 1900s b) 1950s c) 1850s d) 2000 Answer: b Explanation: Retort pouch was first developed in ...
View QuestionWhich of the following is the first synthetic plastic?
a) PVC b) PP c) Bakelite d) Nylon Answer: c Explanation: In 1907, Leo Baekeland, a Belgian ...
View QuestionWhat does the term plastikos mean?
a) Easily shaped or deformed b) Stretchable c) Bendable d) Malleable Answer: a Explanation: The Greek term ...
View QuestionWhen was the first folding carton commercially used?
a) 1789 b) 1850 c) 1897 d) 1880 Answer: c Explanation: The first folding carton was ...
View QuestionThe term plastic is derived from the term ______
a) Plasticos b) Plastikos c) Plastiquo d) Plastein Answer: b Explanation: The term ...
View QuestionA three-tine cultivator having tine spacing 6 cm, working depth of 3 cm and speed is 2 km/hr. Turning loss is 10%. Soil resistance is 0.6 kg/cm^2. Width of furrow is 6 cm. What will be the required power?
A three-tine cultivator having tine spacing 6 cm, working depth of 3 cm and speed is 2 km/hr. ...
View QuestionIn which cultivator, the spacing of the tines are changed by slackening and sliding of bolts?
a) Cultivator with rigid tines b) Cultivator with spring loaded tines c) Duck foot cultivator d) Mounted cultivator
View QuestionWhich cultivators are operated by the tractors which are fitted with hydraulic lift?
a) Trailed cultivator b) Mounted cultivator c) Cultivator with spring loaded tines d) Cultivator with rigid tines
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