We finally reached the top of the pass at 5,515 metres. It was marked by a large cairn of rocks festooned with white silk scarves and ragged prayer flags. We all took a turn round the cairn, in a clockwise direction as is the tradition. Tsetan partially unscrewed the petrol tank top, which emitted a loud hiss: the lower atmospheric pressure was allowing the fuel to expand. The petrol tank emitted a loud hiss because:
Athe low atmospheric pressure allowed the fuel to expand
Bthe tank was overfilled
Cthe engine had overheated
Dthe fuel was contaminated
Answer & Solution
Correct answer: A. the low atmospheric pressure allowed the fuel to expand
Lower atmospheric pressure at altitude let the fuel expand, causing the hiss when the cap was loosened.
Related questions
A candidate writes 'recieve' instead of 'receive' on an IELTS Reading answer. The result iDuring the IELTS Reading section, when should answers be written on the answer sheet?On a 60-minute IELTS Reading section with 3 passages, the recommended pacing per passage iIn IELTS Reading, a wrong-answer option is most likely to be:An IELTS question asks about 'researchers found' and the passage uses 'studies showed'. ThBefore answering any IELTS Reading questions on a passage, the recommended first move is tAn IELTS sentence-completion question specifies 'NO MORE THAN 3 WORDS'. The candidate writIn an IELTS True / False / Not Given question, if the passage neither confirms nor contrad